Weston & Sampson

Legal name, DBA and former names

• Weston & Sampson.Source: westonandsampson.com/about · As of 2026-10-11

Identifiers (UEI, state registrations)

• SAM UEI UERUKNFQN3D5 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 19579.Source: usaspending.gov/recipient/ad526cfc-3a57-88c2-10… · As of 2026-10-11

Offices

• The firm has offices along the East Coast, from Massachusetts to Florida.Source: westonandsampson.com/about · As of 2026-10-11

Ownership type

• Employee-owned (ESOP), as described on the firm's own website.Source: westonandsampson.com/about · As of 2026-10-11

Employee count or band

• More than 1,000 professionals, per the firm's site.Source: westonandsampson.com/about/people · As of 2026-10-11

Services and markets

• The firm provides planning, design, engineering, construction, operations and maintenance, and environmental services to communities and utilities.Source: westonandsampson.com · As of 2026-10-11

Leaders

• Frank Ricciardi, CEO.Source: westonandsampson.com/about/people · As of 2026-10-11
• Leah Stanton, COO.Source: westonandsampson.com/about/people · As of 2026-10-11

Licences (board records)

• Texas TBPELS roster lists Weston & Sampson Engineers, Inc. (firm no. 19579, type NS, expires 2027-07-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip · As of 2026-10-04

Federal awards (contracts)

• USAspending recipient record WESTON & SAMPSON ENGINEERS, INC. (Reading, MA), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $18,191,554, FY2025 $10,693,394 (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/ad526cfc-3a57-88c2-10… · As of 2026-10-11

ESOP plan data (Form 5500)

• DOL Form 5500 plan year beginning 2024-01-01: WESTON & SAMPSON, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251013105759NAL0000514387001), 727 active participants and total plan assets of $52,845,386 at year end.Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-13

Public filings

• DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: WESTON & SAMPSON, INC. EMPLOYEE STOCK OWNERSHIP PLAN (ACK_ID 20251013105759NAL0000514387001, 727 active participants); WESTON & SAMPSON 401(K) AND PROFIT SHARING PLAN (ACK_ID 20251014090743NAL0002377729001, 923 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac… · As of 2025-10-13

Rankings and awards

• Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi… · As of 2026-10-05

Sources of record

1. https://www.westonandsampson.com/about
2. https://www.usaspending.gov/recipient/ad526cfc-3a57-88c2-101b-9e08e00b3828-P/latest
3. https://www.enr.com/toplists/2026-top-500-design-firms-2
4. https://www.westonandsampson.com/
5. https://www.westonandsampson.com/about/people
6. https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
7. https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets