---
title: "RHITHRON ASSOCIATES INC — Capability Statement"
uei: "D21EKF7FZJ25"
cage: "3FQ91"
canonical: "https://teamingindex.com/contractor/D21EKF7FZJ25/capability.md"
html_url: "https://teamingindex.com/contractor/D21EKF7FZJ25"
updated: "2026-11-09T17:28:18.052Z"
generator: "TeamingIndex capability twin 1.0"
legal_name: "RHITHRON ASSOCIATES INC"
primary_naics: "541620"
sam_status: "active"
active_exclusion: false
claimed: false
tier: "unclaimed"
---

# RHITHRON ASSOCIATES INC

> RHITHRON ASSOCIATES INC is a SAM.gov-registered entity based in MISSOULA, MT 59804-7203. UEI D21EKF7FZJ25; CAGE 3FQ91; primary NAICS 541620. Compliance posture not provided. Active SAM registration.

> **Unclaimed profile:** seeded from SAM.gov and USAspending public records. The entity has not claimed it, so capabilities and compliance posture have not been provided.

## Identifiers

- **Legal business name:** RHITHRON ASSOCIATES INC
- **UEI (SAM.gov Unique Entity ID):** D21EKF7FZJ25
- **CAGE code:** 3FQ91
- **Entity structure:** Corporate Entity (Not Tax Exempt)
- **State of incorporation:** MT
- **Website:** <https://www.rhithron.com/>
- **TeamingIndex profile:** <https://teamingindex.com/contractor/D21EKF7FZJ25>
- **Profile status:** Unclaimed · seeded from SAM.gov and USAspending public records

## Location

- **Physical address (city, state, ZIP):** MISSOULA, MT 59804-7203
- **Country:** United States
- **Congressional district:** MT-01

## NAICS & PSC

| NAICS | Title | Primary | Small under SBA size standard (SAM.gov) |
| --- | --- | --- | --- |
| 541620 | Environmental Consulting Services | Yes | Yes |
| 541380 | Testing Laboratories and Services | No | Yes |
| 541990 | All Other Professional, Scientific, and Technical Services | No | Yes |
| 561990 | All Other Support Services | No | Yes |

- **PSC codes:** None on file

Size status is NAICS-specific and reflects the entity’s SAM.gov representations; check it against the size standard of the solicitation’s NAICS code.

## Socio-economic status

- Small Business (SB)
- Small Disadvantaged Business (SDB)
- Women-Owned Small Business (WOSB)

Source: SAM.gov entity registration, synced 2026-11-09. Confirm current SBA certification (8(a), HUBZone, WOSB/EDWOSB, VetCert SDVOSB/VOSB) before relying on a status for a set-aside.

## SAM registration & exclusion screening

- **Registration:** Active SAM registration
- **Registration expires:** 2027-09-15
- **Registration activated:** 2026-09-16
- **Exclusion screening (FAR subpart 9.4):** No active exclusion recorded in SAM.gov
- **Teaming eligibility:** Eligible to be proposed as a team member (active registration, no exclusion)
- **Source:** SAM.gov Entity Management, synced 2026-11-09

## Compliance posture

Compliance posture not provided by the contractor.

- Facility clearance: visible to paid members
  - Clearance levels are shown only to paying members; TeamingIndex does not advertise clearances (NISPOM 32 CFR 117.9).

## Contract vehicles

No contract vehicle holdings on file.

## Past performance

- **Total obligated, trailing 36 months (USAspending.gov):** $140,880
- **Award history:** 11 awards on record
- **Top funding agencies:** National Park Service

Showing the 10 most recent of 11 awards.

| Award PIID | Agency | NAICS / PSC | Obligated | Base + all options | Period of performance | Set-aside | Place of performance | Description |
| --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 140P8426P0066 | Department of the Interior / National Park Service | 541620 / B533 | $18,050 | — | 2026-08-28 → 2027-08-31 | — | OR | MACROINVERTEBRATES ANALYSIS, KLAMATH INVENTORY NETWORK & MONITORING NETWORK, JACKSON COUNTY, OREGON |
| 140P8425P0082 | Department of the Interior / National Park Service | 541620 / B533 | $24,750 | — | 2025-09-03 → 2026-08-31 | — | OR | MACROINVERTEBRATES ANALYSIS, KLAMATH INVENTORY NETWORK & MONITORING NETWORK, JACKSON COUNTY, OREGON |
| 140P2124P0102 | Department of the Interior / National Park Service | 541620 / B533 | $15,000 | — | 2024-08-20 → 2025-09-14 | — | MT | NR-IMD-170 ROMN STREAM BIO LAB ANALYSIS |
| 140P8424P0010 | Department of the Interior / National Park Service | 541620 / B533 | $18,000 | — | 2024-09-25 → 2025-08-30 | — | OR | THE NATIONAL PARK SERVICE (NPS) AT KLAMATH INVENTORY & MONITORING NETWORK (KLMN) HAS A REQUIREMENT FOR THE SAMPLING AND ANALYZING OF BENTHIC MACROINVERTEBRATES FOR THE AQUATIC… |
| 140P8321P0036 | Department of the Interior / National Park Service | 541380 / B516 | $42,105 | — | 2021-06-14 → 2025-05-31 | — | MT | IDENTIFICATION OF BENTHIC MACROINVERTEBRATES (BMI) FROM MOUNTAIN LAKE AND STREAMS IN FIVE NPS AREAS IN THE PACIFIC NORTHWEST. BASE PERIOD INCLUDES 66 SAMPLES. INCLUDES FOUR… |
| 1305M324P0215 | Department of Commerce / National Oceanic and Atmospheric Administration | 541990 / B516 | $0 | — | 2024-06-01 → 2025-04-30 | — | MT | ANALYSIS OF DRIFT SAMPLES PER THE ATTACHED STATEMENT OF NEED |
| 140P3023F0138 (order under GS10F0138V) | Department of the Interior / National Park Service | 541620 / B533 | $22,975 | — | 2023-09-15 → 2024-09-14 | — | CO | STREAM BIOTA SAMPLE ANALYSIS PROCESSING |
| 140G0122F0061 (order under GS10F0138V) | Department of the Interior / U.S. Geological Survey | 541620 / Q301 | $36,659 | — | 2022-01-12 → 2023-10-31 | — | MT | TAXONOMIC IDENTIFICATION OF ALGAL & MACROINVERTEBRATE COMMUNITY SAMPLES |
| 127EAU22P0078 | Department of Agriculture / Forest Service | 541380 / F999 | $0 | — | 2022-09-22 → 2023-09-21 | — | MT | INVERTEBRATE SORTING AND IDENTIFICATION COCONINO NATIONAL FOREST |
| 140P8422P0080 | Department of the Interior / National Park Service | 541380 / B533 | $22,310 | — | 2022-09-20 → 2023-08-30 | — | OR | MACROINVERTEBRATES TESTING ANALYSIS, KLAMATH NETWORK OF PARKS, SOUTHERN OREGON AND NORTHERN CALIFORNIA |

## Proven teaming graph

- No first-tier sub-award reports name this company yet
- Source: USAspending.gov sub-award reports (FSRS), sync date not recorded. Prime contractors report first-tier subcontracts of $30,000 or more. Amounts are reported sub-award values.

## SBIR/STTR portfolio

- No SBIR/STTR awards on record for this company
- Source: SBIR.gov award records, sync date not recorded

## FedRAMP offerings

- No FedRAMP Marketplace listing is linked to this company
- Source: FedRAMP Marketplace, sync date not recorded

## Exclusions & screening

- Not yet checked against SAM.gov exclusions (search exclusions on SAM.gov: https://sam.gov/search/?index=ex)
- Source: SAM.gov Exclusions, sync date not recorded
- No confirmed match on the Consolidated Screening List (screened Nov 13, 2026)

## Contract vehicles on federal record

- No contract-vehicle seats on federal record are linked to this company

## GSA CALC+ rates

- No GSA CALC+ awarded ceiling rates on record for this company
- Source: GSA CALC+ awarded ceiling rates, sync date not recorded. Ceiling rates are the most an agency can be charged, not prices paid

## Capabilities & differentiators

No capability narrative published.

## Technical tags

No technical tags published.

## Teaming preferences

- Teaming preferences not published
- **Teaming requests and NDAs:** request an introduction on the TeamingIndex profile (sign-in required): <https://teamingindex.com/contractor/D21EKF7FZJ25>

## Business development contact

No business-development contact published.

## Corporate hierarchy

- No parent entity reported in SAM.gov
- Affiliation with a parent or sister concerns can affect small-business size status (13 CFR 121.103).

## Provenance & disclaimer

- **SAM.gov entity registration** (identifiers, NAICS/PSC, size and socio-economic status, hierarchy, registration and exclusion status): synced 2026-11-09
- **USAspending.gov** (prime award history and trailing 36-month obligations): nightly sync
- **Contractor-provided profile** (capabilities, teaming preferences, self-attested compliance): not provided
- **TeamingIndex verification** (credentials marked “Verified by TeamingIndex”): no verified credentials on record; methodology: <https://teamingindex.com/verification>
- **Blind SPRS:** exact NIST SP 800-171 SPRS scores are published only when the contractor opts in; brackets are cumulative thresholds (SPRS ≥ 0, SPRS ≥ 50, SPRS ≥ 70, SPRS ≥ 85, SPRS ≥ 95, SPRS ≥ 105, SPRS = 110 (perfect)).
- **Before award:** self-attested facts have not been independently verified. Confirm registration and exclusions in SAM.gov, CMMC status and SPRS assessment currency with the contractor (DFARS 252.204-7019, -7020 and -7021), facility clearances through DCSA’s NISS, AS9100-series certificates in the IAQG OASIS database, and FedRAMP authorizations on the FedRAMP Marketplace.
- **Zero CUI:** this document contains no Controlled Unclassified Information. TeamingIndex stores verification metadata only, never SSPs, POA&Ms or DD Form 254s.
- **Machine-readable:** schema.org JSON-LD is embedded in <https://teamingindex.com/contractor/D21EKF7FZJ25>; this twin: <https://teamingindex.com/contractor/D21EKF7FZJ25/capability.md>; site index: <https://teamingindex.com/llms.txt>

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