SHANNON & WILSON, INC.
SEATTLE, WA

Shannon & Wilson, Inc. is an esteemed employee-owned consulting firm headquartered in Seattle, Washington, renowned for its commitment to technical excellence and high-quality service across diverse disciplines including geotechnical engineering, engineering geology, environmental services, and more. Since its establishment in 1954 by founders Bill and Stan, the company has consistently delivered integrated engineering solutions and played pivotal roles globally in infrastructure planning, design, permitting, and construction projects. Emphasizing community improvement and environmental preservation through innovative science practices, Shannon & Wilson operates from multiple strategic locations nationwide to offer local expertise amalgamated with national experience. Today, it boasts a workforce of over 300 employees distributed across 12 offices, ensuring each project attains superior technical excellence, innovation, and value for clients—foundational principles originated by its founders. In honor of their contributions, Shannon & Wilson sponsors significant academic initiatives such as the Stanley D. Wilson Memorial Lecture at the University of Washington and fellowships at both that institution and others like the University of Illinois. Based in Seattle with operational mailing addresses, office presence, and service coverage extending across various states, Shannon & Wilson provides comprehensive civil engineering, water management solutions, alongside geotechnical services through a single-company approach. The company continues to be a benchmark for integrated engineering excellence on a national and international scale.

KEY FACTS ABOUT SHANNON & WILSON, INC.

Company name
SHANNON & WILSON, INC.
Status
Active
Filed Number
F02000005807
FEI Number
91-0745357
Date of Incorporation
November 20, 2002
Age - 23 years
Home State
WA
Company Type
Foreign for Profit

CONTACTS

Website
http://shannonwilson.com
Phones
(206) 632-8020
(907) 561-2120
(303) 825-3800
(907) 479-0600
(904) 223-6676
(818) 543-4560
(608) 442-5223
(503) 210-4750
(916) 438-2300
(314) 699-9660
(801) 214-3364
(509) 543-2860

SHANNON & WILSON, INC. NEAR ME

Principal Address
400 N. 34th St.,
Suite 100,
Seattle,
WA,
98103,
US

See Also

Officers and Directors

The SHANNON & WILSON, INC. managed by the three persons from Seattle on following positions: Boar, Vice President

Robert A Mitchell

Position
Boar Active
From
Seattle, WA, WA

Wendy L Mathieson

Position
Vice President Active
From
Seattle, WA, WA

David C Ward

Position
Vice President Active
From
Seattle, WA, WA





Registered Agent is C T CORPORATION SYSTEM

Address
1200 SOUTH PINE ISLAND ROAD, PLANTATION, FL, 33324

Annual Reports

2025
March 27, 2025
2024
April 10, 2024