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SEILER INSTRUMENT AND MANUFACTURING COMPANY, INCORPORATED

Saint Louis, MOUEI U6PGMC43PHN5Federal contractor
Small business
$50.4M
Federal contracts, last 3 years
350
Contract awards
Defense Logistics Agency
Top customer

Recent wins

DateAgencyWhatAmount
Oct 1, 2026Forest Service Ottawa gps survey equipment purchase record $75K
Aug 5, 2026U.S. Coast Guard Survey gear for fed projects record $66K
Jul 31, 2026Defense Logistics Agency Bellows,protection record $15K
Jul 31, 2026Office of the Chief Financial Officer This award is to purchase statewide arkansas engineering survey equipment, modern global navigation satellite system (g… record $300K
Jul 22, 2026Defense Logistics Agency Mount,telescope record $28K
Jul 17, 2026Office of the Chief Financial Officer This award is to purchase statewide iowa engineering survey equipment, such as trimble t110 tablets, chargers, pole mou… record $986K
Jun 30, 2026Defense Logistics Agency Plate,metal record $2,975
Jun 24, 2026Office of the Chief Financial Officer This award is to purchase trimble controller replacements, such as trimble tsc510 controllers, accessories and trimble … record $455K
Jun 23, 2026Defense Logistics Agency Cable assembly,spec record $580K
Jun 22, 2026Defense Logistics Agency Electronic componen record $13K

Who they sell to

Defense Logistics Agency · Department of Defense$41.3M
Department of the Army · Department of Defense$5.3M
Office of the Chief Financial Officer · Department of Agriculture$2.9M
Under Secretary for Farm and Foreign Agricultural Services · Department of Agriculture$511K
Department of the Navy · Department of Defense$76K
Forest Service · Department of Agriculture$75K
U.S. Coast Guard · Department of Homeland Security$66K
Indian Health Service · Department of Health and Human Services$24K

What they do (NAICS)

333314Optical instrument and lens manufacturing$16.5M
333310Commercial and service industry machinery manufacturing$6.7M
332994Small arms, ordnance, and ordnance accessories manufacturing$6.2M
336992Military armored vehicle, tank, and tank component manufacturing$6.1M
332999All other miscellaneous fabricated metal product manufacturing$3.9M
334511Search, detection, navigation, guidance, aeronautical, and nautical system and instrument manufacturing$3.6M
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Open bids like their past work

ANODE, CORROSION PREVEN
DEPT OF DEFENSE · OH · due Nov 4
SIGHT, REFLEX
DEPT OF DEFENSE · OH · due Nov 4
COIL ASSEMBLY, EXCITATI
DEPT OF DEFENSE · OH · due Nov 4
MNT, YK, BRL GUARD AY
DEPT OF DEFENSE · OH · due Nov 4
MODIFICATION KIT, VEHIC
DEPT OF DEFENSE · OH · due Nov 4
ACCUMULATOR, HYDRAULIC
DEPT OF DEFENSE · OH · due Nov 4
COVER, VEHICULAR COMPON
DEPT OF DEFENSE · OH · due Nov 4
MOUNT, MACHINE GUN
DEPT OF DEFENSE · OH · due Nov 4

Source: USAspending.gov public federal contract records (contracts only, last 3 years; amounts are obligations). Updated Oct 30, 2026. BidsNexus is not affiliated with this company.