Top Industrial Companies in San Diego, CA (68)
Clark Construction Group is one of the largest building and infrastructure companies in the United States. Since 1906, the company has delivered assets across various markets, including public, private, corporate, cultural, education, and entertainment projects. Their extensive portfolio includes critical infrastructure projects such as power, transportation, water, and roadways, emphasizing a commitment to building what matters and strengthening communities nationwide.
Clark Construction Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: Feedback suggests the company holds a top-tier national standing with consistent high placements in ENR and BD+C rankings. Its leadership across multifamily, green building, government, transit, and sports segments underscores durable competitive strength.
Strong Revenue Growth: Company-reported multibillion-dollar revenue, alongside indications of an expanding project pipeline, points to ongoing top-line momentum. Hiring growth and increased job postings align with an organization scaling to meet demand.
Market Expansion: Observations indicate geographic and operational expansion, including a larger Mid-Atlantic footprint and new regional initiatives. Related entities’ growth in prefabrication suggests broadened reach into high-demand markets.
TEC Equipment Rental is a family-owned business with extensive experience in providing new and rental heavy power equipment, construction, and agricultural equipment. They offer sales, rentals, parts, and service to contractors and homeowners, aiming to combine heavy machinery power with a personal touch.
Thornton Tomasetti is an American science and engineering consulting firm that applies scientific and engineering principles to solve the world's challenges. They specialize in the design, construction, and performance of buildings and structures, offering expertise in structural, facade, and forensic engineering, as well as sustainable design and applied science for a diverse global clientele across various industries.
Thornton Tomasetti's Top Stability & Growth Strengths
Strong Revenue Growth: Feedback suggests revenue tied to sustainability programs has doubled since 2020, reaching $172 million in 2024, while industry rankings consistently place the firm among top design and green building firms.
Market Expansion: Feedback suggests the company continues to open new offices such as Phoenix and scale international hubs, indicating ongoing geographic growth.
Strong Hiring & Retention: Feedback suggests global headcount expanded from roughly 2,379 to over 3,100 over multiple years, with ongoing active job postings signaling continued workforce growth.
Legrand is a global specialist in electrical and digital building infrastructures, dedicated to supporting technological, societal, and environmental change. The company improves lives by transforming the spaces where people live, work, and meet through the delivery of simple, innovative, and sustainable connected solutions. Their product range includes low-voltage electrical components, building control systems, lighting, and data power control for residential...
Legrand's Top Stability & Growth Strengths
Strong Revenue Growth: Feedback suggests sales have reached record levels with double-digit increases, supported by both organic expansion and acquisitions.
Profitability: Profit margins are described as robust, with adjusted operating margins holding around the low-20% range alongside solid net income growth.
Market Expansion: Data centers and energy-transition infrastructure are portrayed as fast-growing areas that have materially increased their share of total sales.
City Electric Supply is a family-owned company specializing in the wholesale distribution of electrical supplies and products. The company provides comprehensive service and support to professionals across the residential, commercial, and industrial markets. Headquartered in Dallas, Texas, City Electric Supply focuses on delivering quality electrical components at wholesale prices throughout its extensive network across North America.
City Electric Supply Company's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings consistently place CES in the U.S. top 10 (e.g., No. 7 in 2025; top-10 in 2026), supported by hundreds of branches and coordinated national capabilities.
Market Expansion: Multiple sources report six consecutive years of North American growth with 36 new branches opened in FY2024–2025 and continued site openings into 2026.
Investor Backing & Capital Strength: A $1.25 billion senior secured ABL facility closed in February 2026 expands liquidity to support product availability and ongoing branch-network investment.
At Pacific Office Automation (POA), we take pride in being a privately held office technology and managed services provider headquartered in Beaverton, Oregon. Since our founding in 1976 by Terry Newsom, we have grown from a small photocopier business into the largest independent office equipment dealer in the United States. Today, we generate approximately $491 million in annual revenue and...
Pacific Office Automation's Top Stability & Growth Strengths
Strong Revenue Growth: POA reported finishing 2025 above $507 million in revenue and cites 49 consecutive years of annual growth, with inclusion on regional fastest-growing lists reinforcing momentum.
Strong Market Position & Advantage: Multiple industry and OEM references describe POA as the largest independent U.S. office‑equipment dealer and a top-tier channel partner, with repeated Elite Dealer recognitions and OEM awards signaling standing.
Market Expansion: The company announced plans to enter four new cities in 2026 and executed acquisitions in April 2026 (Western Business Products and MKCnext), broadening its Western U.S. footprint and adding wide‑format capabilities.
RailPros is a comprehensive provider of engineering, field services, training, and media production for the freight and transit rail industries. Founded in 2000 and headquartered in Irving, Texas, the company provides turnkey engineering, project/program and construction management, and flagging safety services to public and private customers throughout North America, ensuring safety and mobility for rail and transit carriers.
RailPros's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Private equity ownership by Court Square and later Littlejohn & Co. is positioned to fund organic growth and acquisitions, with explicit plans to fuel the next phase of expansion. Recent buyouts and access to capital are portrayed as enabling continued scaling across North America.
Market Expansion: New offices in Toronto and Kansas City, alongside regional leadership for Canada and Mexico, signal active geographic scaling. Service coverage across all 50 U.S. states plus Mexico and Canada underscores a broad and growing footprint.
Strong Market Position & Advantage: The company is portrayed as a leading specialized rail-services provider with relationships spanning all six Class 1 railroads. A track record of more than 20,000 projects and an exclusive rail focus support a defensible niche positioning.
Bergelectric Corporation is a national electrical contractor established in 1946, providing electrical contracting and related building-consulting services across the United States. The company delivers commercial and industrial electrical installations, design-build and design-assist work, low-voltage systems, fire alarms, security, telecommunications, BIM, and prefabrication. Its projects span healthcare, biotech, education, government, hospitality, entertainment, renewable energy, retail, and other major facilities nationwide for...
CobbFendley specializes in providing comprehensive and professional services, delivering infrastructure solutions through civil engineering, surveying, and design for public and private sector clients.
MANCON is a supply chain and government contracting company founded by a Navy veteran in 1983. It supplies products and services to federal and state agencies, municipalities, and private businesses, including inventory and warehouse management, personnel placement, business and industrial products, and supply chain management. The company serves customers such as the U.S. Navy and transportation departments, aiming to deliver...
ProLift Rigging is a full-service industrial rigging and relocation company that helps owners and contractors construct, move, install, and maintain mission-critical plants, machinery, and equipment. Its services include heavy lifting and rigging, crane operations, specialized transport, warehousing, project buffering, and project management. Founded in Lynchburg, Virginia, the company serves customers through a growing network of locations across the United States.
Q.E.D. Systems, Inc. is a nation-wide engineering and technical services firm that has provided high-quality support to government and commercial clients since 1969. Specializing in marine engineering, the company provides alteration development, installation support, and technical documentation. They focus on enhancing the material readiness of surface ships, submarines, and shore-based commands, primarily supporting the U.S. Navy and the maritime industry.
Imperial Dade is an independently owned North American distributor of foodservice packaging, janitorial supplies, commercial cleaning products, and industrial packaging. It provides customized supply-chain solutions to business customers across restaurants, grocery stores, healthcare, sports and entertainment, and cruise lines. Founded in 1935 and headquartered in New Jersey, the company serves more than 120,000 customers through over 130 branches across North...
Marine Group Boat Works is a San Diego-based, family-owned company specializing in boat construction, superyacht refit, and repair services. They provide maritime services for commercial, government, and private customers.
DN LLC (DN Tanks) is a leader in the design and construction of pre-stressed concrete liquid storage tanks. They serve the water, wastewater, and thermal energy sectors, providing high-quality, low-maintenance infrastructure solutions. With over 90 years of experience, the company focuses on delivering long-term value and an unrivaled customer experience through a commitment to safety, innovation, and building enduring relationships...
West Shore Home is a technology-enabled American home remodeling company founded in 2006 by B.J. Werzyn. The company specializes in high-quality bathroom, window, door, and flooring remodeling services. It utilizes full-time employee installation teams and proprietary digital measurement technology to simplify the remodeling process for homeowners, focusing on faster installations, clearer communication, and greater consistency across every project nationwide.
Power Plus! is a multi-industry leader in providing intelligent and efficient power solutions, including temporary power for construction sites, rental generators, and generator service and maintenance. Serving Fortune 100 companies like Amazon, Walmart, and Costco, they provide critical power for infrastructure, massive events, and disaster relief, and have expanded into permanent utility and security camera divisions.
Apex Companies is a leader in innovative automation and material handling solutions. They provide a comprehensive, cross-solution approach for warehouse and industrial facility customers, offering expertise in facility design, the integration of material handling solutions, and efficiency optimization. Their mission is to help clients reduce costs, minimize labor dependencies, and maximize throughput capabilities through state-of-the-art automated material handling systems to...
Able Services is a leading provider of janitorial, engineering, and facility solutions. Established in 1926, the company offers comprehensive facility management services, including HVAC, energy consulting, and building operations. Recently acquired by ABM Industries, Able Services remains dedicated to delivering high-quality, efficient, and sustainable solutions for commercial, medical, and government facilities, helping clients maintain clean and productive environments where people...
Symons Fire Protection, Inc. is a leading fire-life safety contractor serving Southern California. The company specializes in the design, installation, repair, and maintenance of fire sprinkler and fire alarm systems for residential and commercial properties. Operating from San Diego and Anaheim, they provide comprehensive fire suppression services, including inspections and engineering, to ensure properties meet all safety and regulatory standards.
































