R & D Maintenance Services Inc.
Tulsa, OK Part of Sitemaster Inc.
- UEI
- R759RF3GV7B5
- CAGE
- 0EMG2
- Primary NAICS
- 561210 Facilities Support Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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-
Parent
Tulsa, OK
N1J2V1C5Z7M8
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Parent
Tulsa, OK
N1J2V1C5Z7M8
- SAM.gov registration date
- Physical address
- 6846 S Canton Ave # 250, Tulsa, OK 74136, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $21,306,872 |
| FY2025 | $38,450,673 |
| FY2024 | $60,845,601 |
| FY2023 | $31,004,559 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $21,306,872 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
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About the company
R & D Maintenance Services Inc., a small-business Subchapter S corporation based in Tulsa, Oklahoma, provides facilities operation, maintenance, repair, and minor construction services for federal water infrastructure projects, operating exclusively as a prime contractor under small business set-asides and full-and-open competitions. The vendor is a subsidiary of Sitemaster Inc. and specializes in waterway, dam, and lakefront facility management across the southeastern United States under NAICS 561210 (Facilities Support Services) and related housekeeping and grounds-maintenance PSCs.
R & D Maintenance Services' customer base is entirely concentrated within the Department of the Army Corps of Engineers. The top five customer entities account for 94% of recent awards by count and 100% of combined potential value: the Engineering District Mobile holds 12 awards worth $339.2 million combined potential value; the broader Corps of Engineers entity carries 192 awards for $124.9 million combined potential value; the Engineering District Savannah holds 6 awards for $91.3 million; the Engineering District Jacksonville holds 2 awards for $29.1 million; and the Department of the Army carries 132 awards. The vendor places task orders under five indefinite delivery contracts: DACW3885C0015 (20 task orders), DACW2185C0005 (15 task orders), DACW0183C0045 (13 task orders), DACW5681C0139 (10 task orders), and DACW5681C0014 (8 task orders). Recent representative work includes a $25.7 million total small business set-aside definitive contract awarded May 1, 2026, by the Corps of Engineers Savannah District for maintenance, repair, minor construction, and operation of the Hartwell Project (Hartwell Dam and Lake, Georgia and South Carolina) through October 31, 2031; an $11.11 million total small business set-aside definitive contract for operation and maintenance of facilities at Allatoona Lake Project, Cartersville, Georgia, through March 31, 2029; and a $17.98 million full-and-open definitive contract for routine maintenance and repair at the J. Strom Thurmond Project, Clarks Hill, South Carolina, through September 15, 2029.
Activity shows sparse volume in recent years (one award in 2026, three in 2024) following a longer portfolio history dating to 1980. One award with $78.7 million combined potential value reaches ultimate completion within the next twenty-four months, presenting recompete exposure. The vendor operates entirely on prime contracts with no subcontract footprint in the source data.
Quick answers
Is R & D Maintenance Services Inc. registered in SAM.gov?
Yes. R & D Maintenance Services Inc.'s SAM.gov registration is active through July 21, 2027.
How much has R & D Maintenance Services Inc. received in federal contracts?
Federal contracts obligated $38,450,673 to R & D Maintenance Services Inc. in fiscal year 2025 and $151,607,704 in fiscal years 2023 through 2027.
How does R & D Maintenance Services Inc. rank among federal contractors?
R & D Maintenance Services Inc. ranked #1 in PSC M1PA, #14 in PSC M1AZ and #46 in PSC Z2KA in FY2025.
What is R & D Maintenance Services Inc.'s most recent federal award?
R & D Maintenance Services Inc.'s most recent federal contract award is Seed project task order for operation and maintenance of government-owned facilities and equipment… (W9127826FA137), from ENDIST Mobile (USACE), on June 1, 2026.
On GovTribe
See R & D Maintenance Services Inc.'s full federal record
- Federal contract awards
- IDV awards
- Funding analysis by agency, NAICS and set-aside
- Similar vendors