Federal contractor profile
UEI E53LJHJZJQK1CAGE 01HD2Company website ↗
SYSTEMS INTEGRATION/MODELING & SIMULATION, INC. is associated with UEI E53LJHJZJQK1 and CAGE 01HD2 in public federal records. AcornBids currently links 3 prime awards totaling $12.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Security Guards and Patrol Services; Wired Telecommunications Carriers. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541512 (Computer Systems Design Services). Its public SAM.gov registration lists TULLAHOMA, TN, USA.
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 10, 2026. Refresh pending; these totals may be out of date.
Public SAM.gov registration details.
Source facts
Net transaction obligations by federal fiscal period.
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 3 of 3 selected awards. Select a period to explore its awards.
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| N6523622F0355ALARM MONITORING SERVICES | Department of Defense | $10.7M | May 31, 2022 | May 30, 2027 |
| N0016426FC048FY25-FY26-SUPPORT OF TELECOMMUNICATION SUPPORT SERVICE TASKING AND TELEPHONE SERVICE MOVES, ADDS, CHANGES (MACS) IN ACCORDANCE WITH (IAW) THE PERFORMANCE WORK STATEMENT (PWS), IN… | Department of Defense | $1.1M | Mar 25, 2026 | Mar 29, 2027 |
| N0016425FC505FY25-FY26-SUPPORT OF TELECOMMUNICATION SUPPORT SERVICE TASKING AND TELEPHONE SERVICE MOVES, ADDS, CHANGES (MACS) IN ACCORDANCE WITH (IAW) THE PERFORMANCE WORK STATEMENT (PWS), IN… | Department of Defense | $1.2M | Mar 27, 2025 | Sep 30, 2026 |
Modeled recompete windows are estimates, not announced solicitations or guarantees.
| Registration evidence | Date |
|---|---|
| SAM updated | Aug 26, 2025 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Aug 31, 2001 |
| Entity start | Aug 1, 1992 |
Registration classifications: Self Certified Small Disadvantaged Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 541330 — Engineering Services | Not reported |
| 541490 — Other Specialized Design Services | Not reported |
| 541511 — Custom Computer Programming Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541513 — Computer Facilities Management Services | Not reported |
| 541519 — Other Computer Related Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541614 — Process, Physical Distribution, and Logistics Consulting Services | Not reported |
| 541618 — Other Management Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 561110 — Office Administrative Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561421 — Telephone Answering Services | Not reported |
| 561611 — Investigation and Personal Background Check Services | Not reported |
| 561612 — Security Guards and Patrol Services | Not reported |
| 561621 — Security Systems Services (except Locksmiths) | Not reported |
| 611420 — Computer Training | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| JOSEPH C LONDON | Government business | Contact method not published | SAM registration | Not available |
| JOSEPH C LONDON | Alternate government business | Contact method not published | SAM registration | Not available |
| EUGENE R LONDON JR | Electronic business | Contact method not published | SAM registration | Not available |
| Alicia Whitaker | Contractor contract manager | Alicia.whitaker@sim-s.com | Source | Oct 1, 2026 |
| Joseph London | Contractor program manager | joseph.london@sim-s.com | Source | Oct 1, 2026 |
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Reported holders; a parent award identifier alone is not proof of a current vehicle seat.
| Vehicle | Reported status | Ordering ends | Evidence |
|---|---|---|---|
| OASIS+SB — 47QRCA25DSB41 | active | Not available | Source |
Explore the customer, work and award-size evidence behind each match.
Recorded award industries: 561612 — Security Guards and Patrol Services; 517111 — Wired Telecommunications Carriers.
Recorded products and services: R430 — SUPPORT- PROFESSIONAL: PHYSICAL SECURITY AND BADGING; DG01 — Support services for physical and wireless networks connecting equipment within the core data centers and work areas, connecting end users to the organization's broader networks, as well as Wide Area Network equipment, hardware and software directly connecting into data centers, offices and third parties. Support services which enable or distribute voice services through on-premise equipment including PBX, VoIP, voicemail and handsets. Also provides support for transport services for data and voice network circuits and associated access facilities and services; includes dedicated and virtual data networks and internet access. Support services for external (Outside Plant) physical communications infrastructure connecting to LAN/WAN end points. Mobile infrastructure support such as cabled communication network, cellular towers, repeaters, switching systems dedicated for cellular communication.
Examples from recent award records:
These records describe federal award work, not every company capability. Review the award evidence.
400 SW ATLANTIC ST, TULLAHOMA, Tennessee 37388, United States
Registered location from SAM.gov; award performance locations may differ.
541512 — Computer Systems Design Services.
Primary SAM.gov NAICS classification.
Department of Defense.
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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