What Active Engineering Services does

Active Engineering Services (AES) is a women-owned professional engineering services firm headquartered in Norco, California, specializing in construction quality control with a core focus on Stormwater Pollution Prevention Plan (SWPPP) compliance. The firm delivers services across all 58 California counties to construction project owners, developers, engineers, general contractors, and innovators. Its service portfolio spans Qualified SWPPP Developer (QSD) and Qualified SWPPP Practitioner (QSP) services, erosion control implementation (silt fences, blankets, inlet protection), deputy and special inspections under IBC and CBC, in-house construction materials testing, and pavement and limited soils investigation.

AES's technical capability rests on licensed engineering staff, including Registered Civil Engineers credentialed as QSD and QSP providers, supplemented by multi-certified inspectors. The firm leverages multi-role capability—engineers perform field inspections, BMP maintenance, and project management—to ensure continuous on-site coverage. Operations align with industry standards set by the California Stormwater Quality Association (CASQA), the International Code Council (ICC), the California State Water Resources Control Board, Caltrans, AASHTO, and NOAA. Field activities include weekly inspections, rain event-driven inspections, Rain Event Action Plans (REAPs), on-site training, SMARTs database assistance, annual reports, and Notice of Termination support.

AES operates on a project-based professional services revenue model with custom-quoted pricing tied to project scope, size, and risk. Customer acquisition is direct, via the firm website, phone outreach, email, and LinkedIn. Founded circa 2021 and led by President Brittany Rineer and Director of Operations Robert Rineer, PE, the firm offers combined industry experience of over 30 years. The company is privately held with no disclosed external funding, institutional investors, or parent organization.

Name

Active Engineering Services

Legal name

Active Engineering Services (AES)

Website

https://active-engineering-services.com

Company type

Private

Founded year

2021

Operating status

Operating

Headcount range

11–50 employees

Short description

Active Engineering Services is a women-owned, California-based engineering services firm providing SWPPP development, erosion control, deputy inspections, and construction materials testing to construction project owners, developers, and contractors across all 58 California counties.

Ownership category

akta.pro rank

Product category

Construction Engineering & Environmental Compliance Services

NAICS

Engineering Services (54133)

SIC

Services-Engineering Services (8711)

akta.pro primary industry

Engineering design services (line design, substation design, civil/structural) (EUADAKAG)

akta.pro secondary industry

Civil, Construction & Infrastructure Engineering Staffing (BPACADAH)

Keywords

• Stormwater compliance services
• Erosion control services
• Construction inspection services
• Construction materials testing
• SWPPP development services

Headquarters

HQ city

Norco

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Infrastructure, Others

Revenue model

1. Professional Engineering Services: The company generates revenue through project-based professional engineering services including SWPPP development (QSD), SWPPP implementation and inspections (QSP), erosion control services, deputy/special inspections, and construction materials testing. Services are rendered to construction projects throughout California on a per-project basis.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Active Engineering Services is a women-owned engineering services firm that provides SWPPP (Stormwater Pollution Prevention Plan) development and implementation, erosion control, deputy and special inspections, and construction materials testing for the California construction industry. Services are delivered by licensed Registered Civil Engineers acting as Qualified SWPPP Developers (QSD) and Qualified SWPPP Practitioners (QSP), with engagement covering compliance from project development through Notice of Termination.

Product overview

Active Engineering Services (AES) is a women-owned engineering services company offering a unified suite of erosion control and stormwater compliance services for the construction industry in Southern California. The core portfolio consists of SWPPP (Stormwater Pollution Prevention Plan) development and implementation services, supported by Qualified SWPPP Developer (QSD) and Qualified SWPPP Practitioner (QSP) credentials. These are delivered alongside complementary services including erosion control (perimeter controls, erosion blankets, inlet protection), deputy and special inspections (steel, concrete, masonry, soils construction), construction materials testing, and pavement/soils investigation. The services work together to ensure construction projects maintain regulatory compliance with local, state, and federal stormwater and building requirements throughout project lifecycles.

Differentiator

Problem solved

Functional benefit

Segments2 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Six partnerships are on record, tiered core and minor.

• California Stormwater Quality Association (CASQA)coreStrategic or Co-development PartnerActive Engineering Services is a recognized member of CASQA. Their QSD and QSP professionals are Registered Civil Engineers and CASQA members, aligning with industry standards for stormwater quality management in California construction projects.
• International Code Council (ICC)coreOthersAES aligns with ICC codes and standards, including the International Building Code (IBC) Chapter 17 for special inspections and California Building Code (CBC) requirements for deputy inspectors.
• California State Water Resources Control BoardcoreOthersAES works under the Construction General Permit (CGP) overseen by the California State Water Resources Control Board. Company provides QSD and QSP services to ensure compliance with State Waterboard stormwater regulations.
• California Department of Transportation (Caltrans)minorOthersAES is associated with Caltrans and follows transportation-related engineering standards for California construction projects.
• American Association of State Highway and Transportation Officials (AASHTO)minorOthersAES follows AASHTO standards for transportation and construction engineering practices.
• National Oceanic and Atmospheric Administration (NOAA)minorOthersAES is associated with NOAA for environmental and weather-related data that informs stormwater and rain event planning.

Scale indicators2 records

Recent moves5 records

Expansion highlights3 records

Broad incumbents

• NV5 Global: Technical engineering and consulting firm providing infrastructure, environmental, and construction quality assurance services across the U.S., including California SWPPP and inspection work.
• Kleinfelder: Large national engineering, construction services, and consulting firm with deep California presence offering SWPPP, materials testing, and special inspections — a much larger incumbent competing for the same work.
• Terracon: National geotechnical, environmental, and construction materials testing firm with California operations that competes on larger programs requiring SWPPP, inspections, and materials testing.
• Atlas Technical Consultants: National infrastructure and construction services firm offering construction materials testing, special inspections, and environmental services — a broader incumbent that overlaps AES' service portfolio on larger programs.

Direct peers

• Ninyo & Moore: Geotechnical, environmental, and materials testing firm with strong California presence providing SWPPP, special inspections, and construction materials testing — directly overlapping AES' core service lines and customer base.
• BSK Associates: California-based engineering firm offering geotechnical, environmental, and construction inspection/testing services, including SWPPP support to GCs and developers — highly comparable in scope and customer profile.
• Twining, Inc. Special inspections and construction materials testing firm serving California and the West Coast with similar deputy inspection, materials testing, and SWPPP-adjacent offerings.
• Smith-Emery Company: Long-standing California-based construction materials testing, special inspections, and geotechnical firm — a direct competitor for materials testing and IBC/CBC special inspection work.
• Salem Engineering Group: California materials testing and special inspections firm offering deputy inspections and construction quality control services comparable to AES' materials testing and inspection lines.
• Koury Engineering & Testing: Geotechnical engineering, special inspections, and materials testing firm operating in California with a comparable small/mid-sized service profile and customer overlap in GCs and developers.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/active-engineering-services

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Active Engineering Services