Top 100 Contractors in PSC B503: Archeological/Paleontological Studies, FY2023

Name: Top 100 Contractors in PSC B503: Archeological/Paleontological Studies, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 49% of FY2023 PSC B503 contract dollars

Contract obligations: $48,465,976 Net of deobligations, by contracts coded PSC B503
Contractors: 113 Parent companies with an obligation
Largest contractor: New South Associates, Inc. $5.77 million, 11.4% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 100 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	New South Associates, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior) USDA (Department of Agriculture)	$5,765,695	11.4%	Rank history: #1 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Far Western Anthropological Research Group, Inc. Top agencies Navy (Department of the Navy) USDA (Department of Agriculture) DOI (Department of the Interior)	$4,910,401	9.7%	Rank history: #3 in FY2021, #3 in FY2022, #2 in FY2024 and #25 in FY2025; up 1 since FY2022.
3	Paleowest L.L.C. 2 awardees Top agencies DOI (Department of the Interior) USDA (Department of Agriculture) Navy (Department of the Navy)	$3,074,595	6.1%	Rank history: #5 in FY2021, #2 in FY2022, #8 in FY2024 and #13 in FY2025; down 1 since FY2022.
4	Logan Simpson Design Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$2,097,285	4.2%	Rank history: #60 in FY2021, #8 in FY2022, #16 in FY2024 and #65 in FY2025; up 4 since FY2022.
5	Cornerstone Environmental Consulting LLC Top agencies USDA (Department of Agriculture)	$1,665,614	3.3%	Rank history: #29 in FY2021, #67 in FY2022, not on the FY2024 list and #26 in FY2025; up 62 since FY2022.
6	Stell Environmental Enterprises Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$1,653,314	3.3%	Rank history: #72 in FY2021, #6 in FY2022, #24 in FY2024 and not on the FY2025 list; unchanged since FY2022.
7	Bering Straits Native Corporation Through Stampede Ventures, Inc. Top agencies DOI (Department of the Interior)	$1,623,385	3.2%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #2 in FY2025; new.
8	Woods Canyon Archaeological Consultants, Inc. Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$1,355,313	2.7%	Rank history: #25 in FY2021, #29 in FY2022, #39 in FY2024 and not on the FY2025 list; up 21 since FY2022.
9	Applied Earthworks, Inc. Top agencies USDA (Department of Agriculture)	$1,289,250	2.6%	Rank history: not on the FY2021 list, #57 in FY2022, #38 in FY2024 and not on the FY2025 list; up 48 since FY2022.
10	Commonwealth Heritage Group, Inc. Top agencies USDA (Department of Agriculture) Army (Department of the Army) DOI (Department of the Interior)	$1,195,419	2.4%	Rank history: not on the FY2021 list, #21 in FY2022, #59 in FY2024 and not on the FY2025 list; up 11 since FY2022.
11	Auxilio Management Services Top agencies Army (Department of the Army)	$1,159,619	2.3%	Rank history: #12 in FY2021, #20 in FY2022, #13 in FY2024 and not on the FY2025 list; up 9 since FY2022.
12	Statistical Research Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Navy (Department of the Navy)	$1,134,142	2.3%	Rank history: #10 in FY2021, #10 in FY2022, #3 in FY2024 and #5 in FY2025; down 2 since FY2022.
13	Ciri Development Corporation Through North Wind Resource Consulting LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$1,100,620	2.2%	Rank history: not on the FY2021–FY2022 lists, #21 in FY2024 and #19 in FY2025; new.
14	Espinoza Cultural Services LLC Top agencies Army (Department of the Army) DOI (Department of the Interior)	$981,439	1.9%	Rank history: not on the FY2021–FY2022 lists, #17 in FY2024 and #21 in FY2025; new.
15	Gray & Pape Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$923,925	1.8%	Rank history: not on the FY2021 list, #56 in FY2022, #28 in FY2024 and #20 in FY2025; up 41 since FY2022.
16	Acacia Heritage Consulting LLC Top agencies USDA (Department of Agriculture)	$883,104	1.8%	Rank history: not on the FY2021 list, #24 in FY2022, #35 in FY2024 and #36 in FY2025; up 8 since FY2022.
17	Harris Environmental Group Inc. 3 awardees Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$801,404	1.6%	Rank history: #21 in FY2021, #39 in FY2022, #5 in FY2024 and #38 in FY2025; up 22 since FY2022.
18	Alaniz Associates Corp Top agencies Army (Department of the Army)	$760,339	1.5%	Rank history: #16 in FY2021, #13 in FY2022, #14 in FY2024 and not on the FY2025 list; down 5 since FY2022.
19	Alpine Archaeological Consultants Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) DOE (Department of Energy)	$732,957	1.5%	Rank history: #32 in FY2021, #25 in FY2022, not on the FY2024 list and #30 in FY2025; up 6 since FY2022.
20	ERO Resources Corporation Top agencies USDA (Department of Agriculture)	$707,158	1.4%	Rank history: #57 in FY2021, #53 in FY2022 and not on the FY2024–FY2025 lists; up 33 since FY2022.
21	Integrated Environmental Solutions LLC Top agencies Army (Department of the Army) USDA (Department of Agriculture)	$699,682	1.4%	Rank history: not on the FY2021 list, #9 in FY2022 and not on the FY2024–FY2025 lists; down 12 since FY2022.
22	Impact7G, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$692,867	1.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
23	Brockington and Associates Inc. Top agencies Army (Department of the Army)	$674,188	1.3%	Rank history: #15 in FY2021, #5 in FY2022, #7 in FY2024 and #4 in FY2025; down 18 since FY2022.
24	Gulf South Research Corp Top agencies DHS (Department of Homeland Security) DOI (Department of the Interior)	$593,548	1.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
25	Poznecki-Camarillo, LLC Top agencies Army (Department of the Army)	$514,265	1.0%	Rank history: #30 in FY2021, #54 in FY2022 and not on the FY2024–FY2025 lists; up 29 since FY2022.
26	Bratslavsky Consulting Engineers, Inc. Top agencies USDA (Department of Agriculture)	$497,668	1.0%	Rank history: not on the FY2021 list, #18 in FY2022, #45 in FY2024 and #18 in FY2025; down 8 since FY2022.
27	International Archaeology, LLC Top agencies Navy (Department of the Navy)	$473,723	0.9%	Rank history: #2 in FY2021, #4 in FY2022, #48 in FY2024 and #53 in FY2025; down 23 since FY2022.
28	American Resources Group Ltd Top agencies USDA (Department of Agriculture)	$452,188	0.9%	Rank history: #38 in FY2021, #15 in FY2022, not on the FY2024 list and #35 in FY2025; down 13 since FY2022.
29	R. Christopher Goodwin & Associates, Inc. Top agencies Army (Department of the Army) DOI (Department of the Interior)	$420,297	0.8%	Rank history: #6 in FY2021, #7 in FY2022, #18 in FY2024 and #7 in FY2025; down 22 since FY2022.
30	Colville Confederated Tribes Inc. Through Confederated Tribes of Colville Reservation Top agencies Army (Department of the Army) DOI (Department of the Interior)	$404,788	0.8%	Rank history: #14 in FY2021, #17 in FY2022, #61 in FY2024 and not on the FY2025 list; down 13 since FY2022.
31	Copperhead Environmental Consulting Inc. Top agencies USDA (Department of Agriculture)	$378,000	0.8%	Rank history: not on the FY2021–FY2022 lists, #95 in FY2024 and not on the FY2025 list; new.
32	Cultural Resource Analysts, Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$378,000	0.8%	Rank history: #13 in FY2021, #40 in FY2022, #23 in FY2024 and #9 in FY2025; up 8 since FY2022.
33	Environmental Research Group LLC Top agencies USDA (Department of Agriculture) DOI (Department of the Interior) Army (Department of the Army)	$373,847	0.7%	Rank history: not on the FY2021 list, #37 in FY2022, #15 in FY2024 and #6 in FY2025; up 4 since FY2022.
34	First Environment Inc. Top agencies Army (Department of the Army)	$371,363	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
35	Barron LLC Top agencies DOI (Department of the Interior) USDA (Department of Agriculture)	$361,520	0.7%	Rank history: #80 in FY2021, #66 in FY2022, #9 in FY2024 and #41 in FY2025; up 31 since FY2022.
36	Geomorph Information Systems LLC Top agencies USDA (Department of Agriculture)	$342,601	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	The Ottery Group, Inc. Top agencies DOI (Department of the Interior)	$333,770	0.7%	Rank history: #90 in FY2021, #59 in FY2022, #30 in FY2024 and not on the FY2025 list; up 22 since FY2022.
38	Architectural Resources Group, Inc. Top agencies DOI (Department of the Interior)	$327,604	0.7%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
39	Grand River Archaeological Inc. Top agencies DOI (Department of the Interior)	$327,030	0.6%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and #33 in FY2025; new.
40	Ethnoscience Inc. Top agencies DOI (Department of the Interior)	$310,000	0.6%	Rank history: not on the FY2021 list, #79 in FY2022, not on the FY2024 list and #45 in FY2025; up 39 since FY2022.
41	Native-X, Inc. Archaeological Services Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$291,332	0.6%	Rank history: #91 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
42	Hope Archaeology Inc. Top agencies DOI (Department of the Interior) Army (Department of the Army)	$282,099	0.6%	Rank history: #39 in FY2021, #83 in FY2022, #32 in FY2024 and #24 in FY2025; up 41 since FY2022.
43	Ohio Valley Archaeology, Inc. Top agencies Navy (Department of the Navy) DOI (Department of the Interior)	$271,330	0.5%	Rank history: #44 in FY2021, #16 in FY2022, #52 in FY2024 and #63 in FY2025; down 27 since FY2022.
44	Environmental Science Corporation Top agencies Army (Department of the Army)	$257,686	0.5%	Rank history: #23 in FY2021, #45 in FY2022 and not on the FY2024–FY2025 lists; up 1 since FY2022.
45	ASM Affiliates Inc. Top agencies USDA (Department of Agriculture) DOI (Department of the Interior)	$257,489	0.5%	Rank history: not on the FY2021 list, #41 in FY2022, #11 in FY2024 and #79 in FY2025; down 4 since FY2022.
46	Mahuya Industries, LLC Top agencies DOI (Department of the Interior)	$237,910	0.5%	Rank history: not on the FY2021 list, #26 in FY2022 and not on the FY2024–FY2025 lists; down 20 since FY2022.
47	WSP USA Solutions Inc. Top agencies DOI (Department of the Interior)	$220,099	0.4%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
48	Coastal Environments, Inc. Top agencies Army (Department of the Army)	$210,733	0.4%	Rank history: #28 in FY2021, #61 in FY2022, #20 in FY2024 and #39 in FY2025; up 13 since FY2022.
49	Environmental Solutions & Innovations, Inc. Top agencies USDA (Department of Agriculture) Army (Department of the Army)	$205,677	0.4%	Rank history: #19 in FY2021, #11 in FY2022, #12 in FY2024 and not on the FY2025 list; down 38 since FY2022.
50	Stratum Unlimited L.L.C. Top agencies DOI (Department of the Interior)	$199,969	0.4%	Rank history: not on the FY2021–FY2022 lists, #86 in FY2024 and #23 in FY2025; new.
51	Eastern Washington University Top agencies DOI (Department of the Interior)	$172,592	0.3%	Rank history: #35 in FY2021, #31 in FY2022 and not on the FY2024–FY2025 lists; down 20 since FY2022.
52	Joedeereconsulting LLC Top agencies DOI (Department of the Interior)	$172,050	0.3%	Rank history: #79 in FY2021, #80 in FY2022, #79 in FY2024 and #77 in FY2025; up 28 since FY2022.
53	Washington State University Top agencies Army (Department of the Army)	$169,937	0.3%	Rank history: #50 in FY2021, #63 in FY2022, #49 in FY2024 and #43 in FY2025; up 10 since FY2022.
54	Confederated Salish and Kootenai Tribes of the Flathead Reservation Top agencies Army (Department of the Army)	$169,422	0.3%	Rank history: #73 in FY2021, #43 in FY2022 and not on the FY2024–FY2025 lists; down 11 since FY2022.
55	G2 Archaeology Top agencies DOI (Department of the Interior)	$161,632	0.3%	Rank history: not on the FY2021 list, #38 in FY2022, #44 in FY2024 and #34 in FY2025; down 17 since FY2022.
56	Nutter & Associates Inc Top agencies USDA (Department of Agriculture)	$157,302	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
57	Aspen CRM Solutions, Inc. Top agencies DOI (Department of the Interior)	$150,721	0.3%	Rank history: not on the FY2021 list, #58 in FY2022, #94 in FY2024 and not on the FY2025 list; up 1 since FY2022.
58	Bernstein & Associates, LLC Top agencies DOI (Department of the Interior)	$148,304	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
59	Western Cultural Inc. Top agencies DOI (Department of the Interior)	$148,069	0.3%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
60	LG2 Environmental Solutions, Inc. Top agencies USDA (Department of Agriculture)	$144,572	0.3%	Rank history: #17 in FY2021, #14 in FY2022, not on the FY2024 list and #46 in FY2025; down 46 since FY2022.
61	Applied Archaeology and History Associates, Inc. Top agencies USDA (Department of Agriculture)	$111,538	0.2%	Rank history: #84 in FY2021, #76 in FY2022, #57 in FY2024 and #54 in FY2025; up 15 since FY2022.
62	Whitetail Environmental, LLC Top agencies DOI (Department of the Interior)	$110,125	0.2%	Rank history: #51 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
63	Marstel-Day, LLC Top agencies DOI (Department of the Interior)	$99,439	0.2%	Rank history: not on the FY2021 list, #50 in FY2022, #42 in FY2024 and #84 in FY2025; down 13 since FY2022.
64	Desert Archaeology, Inc. Top agencies DOI (Department of the Interior)	$98,562	0.2%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and #73 in FY2025; new.
65	ACR Consultants, Inc. Top agencies USDA (Department of Agriculture)	$89,791	0.2%	Rank history: #64 in FY2021, #46 in FY2022, #80 in FY2024 and #80 in FY2025; down 19 since FY2022.
66	TRC Companies, Inc. Through TRC Environmental Corporation Top agencies USDA (Department of Agriculture)	$84,799	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Northwest Anthropology LLC Top agencies Army (Department of the Army)	$83,573	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	The NDN Companies Top agencies Army (Department of the Army)	$79,786	0.2%	Rank history: not on the FY2021–FY2022 lists, #34 in FY2024 and not on the FY2025 list; new.
69	Westland Resources Inc. Top agencies DOI (Department of the Interior)	$78,457	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
70	Kulaiwi Archaeology, LLC Top agencies DOI (Department of the Interior)	$58,640	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
71	GCM Services, Inc. Top agencies DOI (Department of the Interior)	$57,000	0.1%	Rank history: #37 in FY2021, #19 in FY2022, #36 in FY2024 and #44 in FY2025; down 52 since FY2022.
72	State of New Mexico 2 awardees, including New Mexico Department of Cultural Affairs Top agencies DOI (Department of the Interior) Army (Department of the Army)	$56,025	0.1%	Rank history: #71 in FY2021, #88 in FY2022, #96 in FY2024 and not on the FY2025 list; up 16 since FY2022.
73	Brittany S Walter Top agencies DOI (Department of the Interior)	$49,334	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
74	RLR Cultural Resources LLC Top agencies DOI (Department of the Interior)	$48,813	0.1%	Rank history: not on the FY2021–FY2022 lists, #58 in FY2024 and not on the FY2025 list; new.
75	Spokane Tribe of the Spokane Reservation Top agencies DOI (Department of the Interior)	$48,733	0.1%	Rank history: #78 in FY2021, #51 in FY2022, #74 in FY2024 and #56 in FY2025; down 24 since FY2022.
76	Kenah Consulting LLC Top agencies DOI (Department of the Interior)	$45,500	0.1%	Rank history: #46 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
77	Mashpee Wampanoag Indian Tribal Council Inc. Through Mashpee Wampanoag Tribe Top agencies DOI (Department of the Interior)	$43,392	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 27 since FY2022.
78	Alutiiq Museum and Archaeological Repository Top agencies DOI (Department of the Interior)	$41,320	0.1%	Rank history: not on the FY2021 list, #100 in FY2022, #84 in FY2024 and #82 in FY2025; up 22 since FY2022.
79	State of Illinois Through Illinois State Museum Society Top agencies Army (Department of the Army)	$39,492	0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2024 and not on the FY2025 list; new.
80	State Board for Community Colleges and Occupational Educatio Through State Board for Community Colleges & OCC Top agencies Army (Department of the Army)	$39,325	0.1%	Rank history: #74 in FY2021, #78 in FY2022, #78 in FY2024 and not on the FY2025 list; down 2 since FY2022.
81	The Vanderbilt University Top agencies OSD (Office of the Secretary of Defense)	$39,249	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	The Museum of Western Colorado Top agencies DOI (Department of the Interior)	$38,826	0.1%	Rank history: #58 in FY2021, #82 in FY2022, #85 in FY2024 and #69 in FY2025; unchanged since FY2022.
83	Confederated Tribes and Bands of the Yakama Nation Top agencies DOI (Department of the Interior)	$35,751	0.1%	Rank history: not on the FY2021 list, #86 in FY2022, not on the FY2024 list and #42 in FY2025; up 3 since FY2022.
84	Pacific Consulting Services Inc. Top agencies Navy (Department of the Navy)	$35,225	0.1%	Rank history: #22 in FY2021, #48 in FY2022, #77 in FY2024 and not on the FY2025 list; down 36 since FY2022.
85	Edward Otter, Inc. Top agencies USDA (Department of Agriculture)	$33,300	0.1%	Rank history: #76 in FY2021, #87 in FY2022, #90 in FY2024 and #66 in FY2025; up 2 since FY2022.
86	Kalispel Indian Community of the Kalispel Reservation Top agencies Army (Department of the Army)	$27,694	0.1%	Rank history: not on the FY2021–FY2022 lists, #87 in FY2024 and #47 in FY2025; new.
87	Larson-Tibesar Associates, Inc. Top agencies DOI (Department of the Interior)	$24,950	<0.1%	Rank history: not on the FY2021 list, #27 in FY2022 and not on the FY2024–FY2025 lists; down 60 since FY2022.
88	California State University Through Sonoma State University Top agencies DOI (Department of the Interior)	$24,696	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Mississippi State University Top agencies Army (Department of the Army)	$24,156	<0.1%	Rank history: not on the FY2021–FY2022 lists, #73 in FY2024 and #27 in FY2025; up 25 since FY2022.
90	South Dakota Board of Regents Through South Dakota School of Mines & Technology Top agencies Army (Department of the Army)	$22,288	<0.1%	Rank history: #81 in FY2021, #93 in FY2022, #88 in FY2024 and not on the FY2025 list; up 3 since FY2022.
91	Wood Environment & Infrastructure Solutions Inc. Through WSP USA Environment & Infrastructure Inc. Top agencies DOI (Department of the Interior)	$20,770	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	Aarcher Inc Top agencies USDA (Department of Agriculture)	$20,274	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Panamerican Consultants Inc. 2 awardees Top agencies Army (Department of the Army)	$18,837	<0.1%	Rank history: #34 in FY2021, #34 in FY2022 and not on the FY2024–FY2025 lists; down 59 since FY2022.
94	Daniel M Zoto Top agencies DOI (Department of the Interior)	$18,500	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
95	New Mexico Department of Cultural Affairs Top agencies USDA (Department of Agriculture)	$17,500	<0.1%	Rank history: #85 in FY2021, #96 in FY2022, #66 in FY2024 and #62 in FY2025; up 1 since FY2022.
96	North Wind Resource Consulting LLC Top agencies USDA (Department of Agriculture)	$17,400	<0.1%	Rank history: not on the FY2021 list, #52 in FY2022 and not on the FY2024–FY2025 lists; down 44 since FY2022.
97	Envirosystems Management Inc. Top agencies DOI (Department of the Interior)	$16,272	<0.1%	Rank history: #82 in FY2021, not on the FY2022 list, #33 in FY2024 and not on the FY2025 list; returned.
98	Tree Solutions & Environmental Consulting Services Inc. Top agencies WHS (DOD Washington Headquarters Service)	$15,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Blodgett & Associates, LLC Top agencies DOI (Department of the Interior)	$15,000	<0.1%	Rank history: not on the FY2021 list, #84 in FY2022 and not on the FY2024–FY2025 lists; down 15 since FY2022.
100	Eastern New Mexico University Top agencies Army (Department of the Army)	$12,474	<0.1%	Rank history: #94 in FY2021, not on the FY2022 list, #98 in FY2024 and not on the FY2025 list; up 1 since FY2022.

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100 of 113 contractors listed here. See the rest on GovTribe.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $50.4 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 PSC B503 contractors in FY2023?

1. New South Associates, Inc. ($5.77M), 2. Far Western Anthropological Research Group, Inc. ($4.91M), 3. Paleowest L.L.C. ($3.07M), 4. Logan Simpson Design Inc. ($2.1M), 5. Cornerstone Environmental Consulting LLC ($1.67M), 6. Stell Environmental Enterprises Inc. ($1.65M), 7. Bering Straits Native Corporation ($1.62M), 8. Woods Canyon Archaeological Consultants, Inc. ($1.36M), 9. Applied Earthworks, Inc. ($1.29M), 10. Commonwealth Heritage Group, Inc. ($1.2M).

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