Industrial Hygienics Government Contracts

PSC R428 Service code

Code facts

Spend category
Professional Services Management Advisory Services
Contract obligations
$12,877,277 In FY2025

PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.

Market summary

Open opportunities
0 6 notices posted in the last 90 days
Contract awards
30 In the last 12 months
Obligated
$7,907,660 In the last 12 months, net of deobligations

Top buying agencies by obligations

Rank Agency Obligated, FY2026–FY2027 Share
1 Washington Headquarters Service Department of Defense $4,110,684
2 Department of the Army Department of Defense $1,037,903
3 Department of Veterans Affairs $848,963
4 Department of the Navy Department of Defense $838,112
5 Department of the Treasury $502,065
6 Defense Health Agency Department of Defense $374,273
7 Department of Health and Human Services $362,115
8 Department of Justice $213,192
9 Department of Agriculture $185,481
10 General Services Administration $5,277

Top contractors by obligations

Rank Contractor Obligated, FY2026–FY2027 Share
1 Dgi-Ati II LLC $4,110,684
2 Cydecor Inc. $832,022
3 Cfol International Inc. $385,259
4 Consolidated Safety Services Incorporated $383,615
5 Aehs Incorporated $362,435
6 Cayuse Technologies, LLC $264,176
7 Cenpec, LLC $237,889
8 Property & Environmental Management Inc. $213,192
9 JH1 Consultants, LLC $212,446
10 Rogue Industries LLC $178,725

See the full FY2025 ranking of PSC R428 contractors, by parent company.

Contract opportunities

No notices under PSC R428 are open now. These are the newest.

Notice Posted Due
Reasonable Accommodation Program | Nov 1, 2026 - Oct 31, 2027 Award Notice · Veterans Integrated Service Network 21 (VHA) · 36C26127P0054 —
R428--FY27 SERVICES (1x) Spill Prevention, Control, and Countermeasure (SPCC) Plan Special Notice · Veterans Integrated Service Network 2 (VHA)
Confined Space Assessment - Beltsville MD Award Notice · Agricultural Research Service · 1232SA26Q1492 —
Reasonable Accommodation Program | Nov 1, 2026 - Oct 31, 2027 Solicitation · Veterans Integrated Service Network 21 (VHA) · 36C26127Q0037
Confined Space Assessment - Beltsville MD Solicitation · Agricultural Research Service · 1232SA26Q1492
Industrial Hygiene Surveys for 19 MSARNG Maintenance Facilities - Synopsis of Contract Award (pursuant to FAR 5. 3) Award Notice · Mississippi National Guard (ARNG) —
Industrial Hygiene Surveys at 6 Maintenance Facilities Pre-Solicitation · Arkansas National Guard (ARNG)
Environmental Health and Safety Industrial Hygiene Services for Maryland Army National Guard (MDARNG) Maintenance Facilities Award Notice · Maryland National Guard (ARNG) · W912K626PA012 —
Industrial Hygiene Technical Support Service Solicitation · Georgia National Guard (ARNG) · W912JM26QA014
Industrial Hygiene Technical Support Service Pre-Solicitation · Georgia National Guard (ARNG) · W912JM26QA014
CANCELLED Confined Space Assessment - Beltsville MD Solicitation · Agricultural Research Service
R428--Reasonable Accommodation Program for San Francisco VA Health Care System Solicitation · Veterans Integrated Service Network 21 (VHA)
OKARNG Industrial Hygiene Survey AASF/CSMS/MATES/UTES Pre-Solicitation · Army National Guard
OKARNG Industrial Hygiene Survey FMS/WHSE locations Pre-Solicitation · Army National Guard
Environmental Health and Safety Industrial Hygiene Services for Maryland Army National Guard (MDARNG) Maintenance Facilities Solicitation · Maryland National Guard (ARNG) · W912K6-26-Q1C42
Industrial Hygiene Sampling and Analysis Services Pre-Solicitation · Department of Energy
Industrial Hygiene Surveys Central NC Award Notice · North Carolina National Guard (ARNG) · W9124226PA032 —
R428--Multi Site Respirator Fit Testing Services Solicitation · Veterans Integrated Service Network 22 (VHA)
Industrial Hygiene Surveys SW NC Award Notice · North Carolina National Guard (ARNG) · W9124226PA030 —
Industrial Hygiene Surveys for 19 MSARNG Maintenance Facilities Solicitation · Mississippi National Guard (ARNG)
Industrial Hygiene Services Award Notice · North Carolina National Guard (ARNG) · W9124226PA029 —
Industrial Hygiene Surveys Central NC Solicitation · North Carolina National Guard (ARNG) · W91242-26-Q-0099
R428--Indoor Air Quality Award Notice · Veterans Integrated Service Network 6 (VHA) · 36C24626Q0428 —
R428--Ergonomic Evaluations and Employee Training VA San Francisco Health Care System (VASFHCS) Pre-Solicitation · Veterans Integrated Service Network 21 (VHA)
Industrial Hygiene Surveys SW NC Solicitation · North Carolina National Guard (ARNG) · W9124226Q0098
Industrial Hygiene Services Solicitation · North Carolina National Guard (ARNG) · W9124226Q0097
Industrial Hygiene Support Services Solicitation · Agricultural Research Service
IH Inspections Award Notice · Nebraska National Guard (ARNG) —
R428--Indoor Air Quality Testing Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24626Q0428
R428--Indoor Air Quality Testing Pre-Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24626Q0428
R428--Indoor Air Quality Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24626Q0323
R428--Indoor Air Quality Pre-Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24626Q0323
Industrial Hygiene (IH) Services at MS National Guard facilities Pre-Solicitation · Mississippi National Guard (ARNG) · W9127Q-26-IH-SVCS-MSARNG
Industrial Hygiene Services North Region for Texas Army National Guard Award Notice · Texas National Guard (ARNG) —
Industrial Hygiene Services Central Region for Texas Army National Guard Award Notice · Texas National Guard (ARNG) —
Industrial Hygiene Surveys for Texas Army National Guard - SOUTH Locations Solicitation · Texas National Guard (ARNG)
Industrial Hygiene Surveys for Texas Army National Guard - CENTRAL Locations Solicitation · Texas National Guard (ARNG)
Industrial Hygiene Surveys for Texas Army National Guard - NORTH Locations Solicitation · Texas National Guard (ARNG)
R428--industrial hygiene services cancellation of RFQ Special Notice · Veterans Integrated Service Network 6 (VHA) —
Industrial Hygiene (IH) Services at MS National Guard facilities Pre-Solicitation · Mississippi National Guard (ARNG) · W9127Q-25-IH-SVCS-MSARNG
Industrial Hygiene and Safety Support Services Award Notice · Washington Headquarters Service —
R428--RFQ 14-18 April 25 -IV ROOM CERTIFICATION Solicitation · Veterans Integrated Service Network 16 (VHA)
Military Satellite Communications (MILSATCOM) Satellite Operations and International Partners Support (SATOPS) II Pre-Solicitation · Air Force Space Command (USAF)
R428--industrial hygiene services intent to set aside Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24625Q0146
R428--Asbestos Abatement Inspection, Monitoring, and Third Party Certification at VA Caribbean Healthcare System (VACHS) Solicitation · Veterans Integrated Service Network 8 (VHA)
R428--industrial hygiene services intent to set aside Pre-Solicitation · Veterans Integrated Service Network 6 (VHA) · 36C24625Q0146
Industrial hygiene services Award Notice · Veterans Integrated Service Network 7 (VHA) · 36C24725C0029 —
R428--IV Room Certification Pre-Solicitation · Veterans Integrated Service Network 16 (VHA)
R428--FY25: Respirator Fit and Testing Training Services at VACHS Solicitation · Veterans Integrated Service Network 8 (VHA)
Industrial hygiene services Solicitation · Veterans Integrated Service Network 7 (VHA) · 36C24725Q0220
Show 40 more

Latest 50 of 166 listed here. See the rest on GovTribe.

Recent contract awards

Award Awarded Obligated
Ergonomic evaluation services 36C26127P0054 · Ihealth360, LLC · Veterans Integrated Service Network 21 (VHA) $75,600
Spill prevention planning 36C24227P0073 · First Environment Inc. · Veterans Integrated Service Network 2 (VHA) $10,013
Industrial hygienist services 95315826F00013 · C.j. Seto Support Services, LLC · Chemical Safety and Hazard Investigation Board $15,000
Confined space assessment 1232SA26P0870 · Cardinal Compliance Consultants, LLC · Central Program Planning Coordination and Support (ARS) $35,268
Project 405-26-116 birches RM314B and B14 abatement IH services at white river junction VAMC, VT 36C24126N0973 · Mabbett & Associates, Inc. · Veterans Integrated Service Network 1 (VHA) $8,715
VISN 22 - respirator fit testing 36C26226F0385 · Arbor Environmental LLC · Veterans Integrated Service Network 22 (VHA) $51,306
VISN 22 - respirator fit testing 36C26226F0384 · Arbor Environmental LLC · Veterans Integrated Service Network 22 (VHA) $56,475
VISN 22 - respirator fit testing 36C26226F0383 · Arbor Environmental LLC · Veterans Integrated Service Network 22 (VHA) $34,685
VISN 22 - respirator fit testing 36C26226F0382 · Arbor Environmental LLC · Veterans Integrated Service Network 22 (VHA) $97,695
The purpose of this contract is to anticipate, recognize, evaluate, and control potential health hazards at maryland… W912K626PA012 · Phase Associates LLC · Maryland National Guard (ARNG) $35,383

Latest 10 of 30 awarded in the last 12 months listed here. See the rest on GovTribe.

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $119,600
FY2026 $7,838,139
FY2025 $12,877,277
FY2024 $20,175,100
FY2023 $16,785,760
Rank NAICS code Obligated, FY2026–FY2027 Share
1 541620 Environmental Consulting Services $6,051,519
2 541330 Engineering Services $1,073,477
3 541611 Administrative Management and General Management Consulting Services $385,259
4 541690 Other Scientific and Technical Consulting Services $385,191
5 541350 Building Inspection Services $213,192
6 621399 Offices of All Other Miscellaneous Health Practitioners $85,348
7 562211 Hazardous Waste Treatment and Disposal $44,087
8 624190 Other Individual and Family Services $42,889
9 562112 Hazardous Waste Collection $35,917
10 541490 Other Specialized Design Services $34,312

Contract obligations by state

Rank Place of performance Obligated, last 12 months Share
1 Virginia $4,942,706
2 Maryland $842,368
3 Texas $626,611
4 Ohio $213,192
5 California $205,982
6 Massachusetts $188,870
7 Florida $178,725
8 Georgia $159,781
9 North Carolina $144,500
10 Alabama $142,730
11 Minnesota $80,004
12 Kansas $70,864
13 Puerto Rico $57,605
14 Missouri $56,275
15 Kentucky $41,012
16 South Carolina $27,500
17 Maine $19,410
18 U.S. Virgin Islands $17,245
19 New Jersey $10,013
20 Vermont $6,215
21 Louisiana $2,920
22 Wisconsin $1,877
Show all 22

Shares are of everything obligated under PSC R428 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.

Quick answers

What is PSC R428?

PSC R428 is Industrial Hygienics, a service code in PSC R, Support Services (Professional, Administrative, Management).

How many government contracts for industrial hygienics are there?

6 notices under PSC R428 were posted in the last 90 days, and none are open now. Federal agencies awarded 30 contracts under PSC R428 in the last 12 months, obligating $7,907,660.

How much do federal agencies spend under PSC R428?

Federal contracts under PSC R428 obligated $12,877,277 in fiscal year 2025 and $57,795,876 in fiscal years 2023 through 2027.

Who are the largest contractors under PSC R428?

The contractors with the most obligated under PSC R428 in fiscal years 2026 and 2027 are Dgi-Ati II LLC ($4,110,684), Cydecor Inc. ($832,022) and Cfol International Inc. ($385,259).

Which agencies buy the most under PSC R428?

The agencies that obligated the most under PSC R428 in fiscal years 2026 and 2027 are Washington Headquarters Service ($4,110,684), Department of the Army ($1,037,903) and Department of Veterans Affairs ($848,963).

Which NAICS codes are used with PSC R428?

The NAICS codes with the most obligated under PSC R428 in fiscal years 2026 and 2027 are 541620 Environmental Consulting Services, 541330 Engineering Services and 541611 Administrative Management and General Management Consulting Services.

Where is the work under PSC R428 performed?

By place of performance, the states with the most contract obligations under PSC R428 over the last 12 months are Virginia ($4,942,706), Maryland ($842,368) and Texas ($626,611).

What is the latest contract opportunity under PSC R428?

The latest contract opportunity under PSC R428 is Reasonable Accommodation Program | Nov 1, 2026 - Oct 31, 2027, award notice from Veterans Integrated Service Network 21 (VHA), posted November 10, 2026.

On GovTribe

See everything under PSC R428

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