Top DHS commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance contractors
In the 12 months ending Oct 5, 2026, the Department of Homeland Security obligated $25.6M in net prime contract dollars under NAICS 811310, up 6.7% from $24.0M in the preceding 12 months. 171 prime contractors received positive obligations, and 21 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Homeland Security. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DHS contractors for NAICS 811310
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | General Dynamics Information Technology, Inc. | $5.8M | $6.2M | 22.2% | — |
| 2 | Genstrong LLC | $2.7M | $2.6M | 10.4% | ▲ 1 |
| 3 | Megawattage LLC | $2.6M | $2.5M | 9.8% | ▲ 1 |
| 4 | K & M Industrial LLC | $2.3M | $405K | 8.8% | ▲ 3 |
| 5 | Western Branch Diesel, LLC | $1.4M | $2.8M | 5.5% | ▼ 3 |
| 6 | Fairbanks Morse, LLC | $1.3M | $1.4M | 5.0% | ▼ 1 |
| 7 | Performance Diesel Inc | $670K | $25K | 2.6% | ▲ 64 |
| 8 | Allied Systems Company | $509K | $245K | 2.0% | ▲ 7 |
| 9 | Appleton Marine Inc | $429K | −$18K | 1.7% | New |
| 10 | Grand Slam Diesel Services LLC | $396K | $0 | 1.5% | New |
| 11 | Eastern Lift Truck Co Inc | $343K | $327K | 1.3% | ▼ 1 |
| 12 | A-Tech Hydraulics Inc | $307K | $243K | 1.2% | ▲ 4 |
| 13 | Pauli Systems, Inc. | $292K | $0 | 1.1% | New |
| 14 | National Crane Services Inc | $271K | $317K | 1.0% | ▼ 3 |
| 15 | The W.W. Williams Company, LLC | $246K | $279K | 0.9% | ▼ 2 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- K & M Industrial LLC$405K → $2.3M (+$1.9M) · now #4
- Performance Diesel Inc$25K → $670K (+$645K) · now #7
- Appleton Marine Inc−$18K → $429K (+$447K) · now #9
Largest declines
- Western Branch Diesel, LLC$2.8M → $1.4M (−$1.4M) · now #5
- Colonna's Ship Yard, Incorporated$1.1M → $19K (−$1.1M) · now #95
- General Dynamics Information Technology, Inc.$6.2M → $5.8M (−$419K) · now #1
New to this market
80 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Pauli Systems, Inc. | Dec 11, 2025 | $292K |
| Fabrotech Industries Inc | Nov 6, 2025 | $237K |
| W.W. Williams Company, LLC, the | May 23, 2026 | $237K |
| Solvere Technical Group, LLC | Sep 8, 2026 | $229K |
| Cummins-Wagner Company, Inc. | Jun 10, 2026 | $228K |
| Sims Pump Valve Co, Inc | Jul 8, 2026 | $170K |
| RAM Winch and Hoist Management, LLC | Jun 18, 2026 | $154K |
| Integrated Solutions Worldwide, LLC | Sep 11, 2026 | $147K |
Where the money comes from
Funding sub-agencies within the Department of Homeland Security, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| U.S. Coast Guard | $14.1M | $12.0M | Up $2.0M (17.0%) |
| U.S. Citizenship and Immigration Services | $5.8M | $6.2M | Down $418K (6.8%) |
| Federal Emergency Management Agency | $5.6M | $5.5M | Up $185K (3.4%) |
| U.S. Secret Service | $84K | $167K | Down $84K (49.9%) |
| Federal Law Enforcement Training Center | $34K | $16K | Up $18K (106.4%) |
| U.S. Immigration and Customs Enforcement | $27K | $25K | Up $2K (8.4%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 70Z04026F51641B00 | Western Branch Diesel, LLC OPEN AND INSPECT REPORT, INCLUDING MANDATORY PARTS, BASE OVERHAUL AND DYNAMOMETER TESTING X 6 ENGINES. | $1.4M | Dec 1, 2026 |
| 70FB7022C00000015 | Megawattage LLC OCONUS GENERATOR MAINTENANCE SERVICES | $12.4M | Jun 29, 2027 |
| 70FB7022C00000016 | Genstrong LLC CONUS GENERATOR MAINTENANCE SERVICES | $12.3M | Jun 29, 2027 |
Common questions
Who are the top DHS contractors for NAICS 811310?
In the latest 12 months, General Dynamics Information Technology, Inc. ($5.8M), Genstrong LLC ($2.7M), Megawattage LLC ($2.6M) received the most DHS obligations for commercial and industrial machinery and equipment (except automotive and electronic) repair and maintenance.
How concentrated is this market?
The eight largest primes held 66.2% of positive obligations, and General Dynamics Information Technology, Inc. alone held 22.2%. 80 contractors won their first obligations in this market during the latest 12 months.
Are any large DHS NAICS 811310 contracts ending soon?
3 of the largest awards in this market reach their current end date in the next 18 months. The first is 70Z04026F51641B00 (Western Branch Diesel, LLC, $1.4M obligated), ending Dec 1, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 811310 across all agencies
DoD · NAICS 811310
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$68.6MInterior · NAICS 811310
$17.2MTreasury · NAICS 811310
$13.0MCommerce · NAICS 811310
$7.9MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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