Top Energy Companies in San Antonio, TX (53)
Zachry Nuclear Engineering, Inc. provides comprehensive engineering, design, and project management services for the nuclear industry. The company supports the modification of existing nuclear power plants and the development of new facilities, including small modular reactors. With over 50 years of experience, it offers expertise in electrical, mechanical, structural, and controls engineering, as well as turnkey construction and maintenance services.
Southern Star is a leading transporter of natural gas to America’s heartland, with about 5,800 miles of natural gas transmission pipeline in the Midwest and Mid-Continent regions of the U.S. Our pipeline system, facilities and employees are located in Missouri, Kansas, Oklahoma, Wyoming, Colorado, Nebraska and Texas, with our headquarters in Owensboro, KY. We have provided 120 years of continuous, quality...
Southern Star Central Gas Pipeline's Top Stability & Growth Strengths
Investor Backing & Capital Strength: Investment-grade credit ratings (BBB/Baa2 with stable outlook) and long-term owners underpin access to capital for growth and operations. This footing aligns with ongoing expansion filings and solicitations.
Market Expansion: Active projects like the Cedar Vale Compressor Station and the Tri-State Energy Corridor solicitation show pursuit of incremental capacity and new routes. These actions target rising demand in Missouri, Kansas, and surrounding markets.
Future-Ready Strategy: Emissions targets (50% methane reduction by 2025 and net‑zero by 2050) alongside hydrogen-blend pilots and solar installations indicate preparation for the energy transition. These initiatives support sustainable growth and system modernization.
Pico Propane and Fuels supplies propane, refined fuels, lubricants, equipment, and related energy solutions to commercial, industrial, agricultural, and residential customers. Its services include fuel delivery, fleet and forklift fueling, tanks and dispensing equipment, on-site fueling, fuel-management systems, generators, and backup power. The company emphasizes dependable local service, safety, operational support, and community partnership across its service territories in multiple...
HTS Engineering Ltd. (Heat Transfer Solutions Inc.) is the largest independent commercial and industrial HVAC distributor in North America. The company specializes in delivering custom, made-to-order HVAC and refrigeration solutions for commercial, institutional, and industrial markets. They provide comprehensive expertise in the design, selection, installation, and maintenance of mechanical equipment for a wide range of clients across the United States...
Westwood is a leading multi-disciplined AEC industry professional services provider for national wind energy, solar energy, electric transmission, private development, and public infrastructure projects. Westwood was established in 1972 in Minneapolis, Minnesota. Through a focus on its people, culture, and clients, Westwood has quickly expanded to serve clients across the nation from multiple U.S. offices. Awards In 2021, Westwood placed #4...
Westwood Professional Services's Top Stability & Growth Strengths
Strong Market Position & Advantage: Top-tier ENR specialty rankings (#3 wind, #5 solar, #6 storage), a rising overall Top 500 position, and regional Design Firm of the Year recognition indicate a strong competitive position in renewables and power delivery. These repeated placements and awards suggest leadership in high-growth segments across multiple regions.
Strong Revenue Growth: A sustained climb on ENR’s Top 500 list, alongside reports of higher revenue and expanding headcount, signals robust topline momentum. Recognition on growth-focused industry lists further reinforces this trajectory.
Investor Backing & Capital Strength: A majority investment by Blackstone Energy Transition Partners and additional funding provide substantial capital to scale in renewables, grid, and infrastructure markets. Management’s continued stake and stated plans to leverage this backing suggest ample resources for both organic expansion and M&A.
Navigate Power is a leading energy broker and consulting firm that helps businesses reduce energy costs through expert procurement, efficiency solutions, and utility audits.
Central Power Systems & Services supplies and supports power-generation and power-distribution systems, industrial engines, construction and agricultural equipment, custom-manufactured products, and on-highway transportation services. The company also provides diesel-truck, heavy-equipment, and generator repair, rental equipment, and related technical support through locations across the central and southwestern United States. Its roots trace to a diesel business serving oil and gas, commercial...
Catamount Constructors, Inc. is a 100% employee-owned national commercial general contractor with nearly 30 years of experience. They provide expert construction management and general contracting services nationwide, specializing in diverse markets including industrial, multifamily, senior living, healthcare, office, retail, energy, and government projects. Recognized as an ENR Top 400 Contractor, Catamount is committed to shared success for its employee-owners, clients,...
Facility Solutions Group (FSG) is a national provider of electrical, lighting, signage, and technology solutions for commercial and industrial facilities. One of the top 50 electrical contractors in the United States, FSG offers a comprehensive range of design, engineering, construction program management, and facility services, including energy management and solar energy solutions, to keep critical building systems running efficiently across...
Freese and Nichols, Inc. is a professional planning, consulting and engineering firm serving clients across the Southwest and Southeast United States. With client service and continuous improvement in mind, Freese and Nichols plans, designs and manages sustainable water and infrastructure projects. It is the first engineering/architecture firm to receive the Malcolm Baldrige National Quality Award.
Meritum Energy Holdings is a growth-oriented company founded in 2015 that specializes in the distribution of propane, fuels, lubricants, and other natural gas liquids. Operating across multiple states, the company provides retail and wholesale energy solutions to residential and commercial customers. They focus on strategic growth through acquisitions and organic investment, maintaining a commitment to service excellence, safety, and community...
ENTRUST Solutions Group, an ENR Top 100 company, provides comprehensive and dependable engineering, consulting, and automation services to pipeline companies, gas and electric utilities, and industrial customers. With first-hand experience operating and maintaining energy infrastructure, our engineering professionals provide expertise in Pipeline Engineering, Integrity Services, Automation Integration, Electrical Design, Fiber & Broadband Communications, Industrial Solutions, and Process Safety Management. ENTRUST...
ENTRUST Solutions Group's Top Stability & Growth Strengths
Strong Market Position & Advantage: Independent rankings place the company among the Top 10 in Power and repeatedly on ENR Top 500 lists, and it is described as a leading utility engineering company.
Investor Backing & Capital Strength: A $2.4 billion acquisition by Leidos and a significant minority investment from Neuberger Berman signal strong external capital support and validation of the platform’s scale.
Market Expansion: Headcount surpassing 3,100 across 40+ North American locations and acquisitions such as Maskwa High Voltage and FiberRise indicate expanding geography, capabilities, and customer base.
Prologis is the global leader in logistics real estate. In partnership with top manufacturing and distribution companies (e.g., Amazon, BMW, DHL, FedEx, Pepsi), we ensure timely delivery of the products that make modern life possible.
Prologis's Top Stability & Growth Strengths
Strong Revenue Growth: Revenue increased year over year to roughly $2.43 billion in Q2 2026, with trailing twelve-month revenue near $9.19 billion, supported by high occupancy and record leasing activity.
Profitability: Net earnings and Core FFO rose markedly year over year, and management raised full-year guidance, signaling earnings momentum.
Future-Ready Strategy: The company is scaling into data centers and digital infrastructure with a multi-gigawatt power pipeline to capture AI-driven demand, complementing its core logistics platform.
Weatherford International plc (Nasdaq: WFRD) is a leading global energy services company. Operating in approximately 75 countries, the Company answers the challenges of the energy industry with its global talent network of approximately 17,000 team members and approximately 350 operating locations, including manufacturing, research and development, service, and training facilities
WaterFleet is a leading provider of mobile water and wastewater treatment solutions, offering services such as potable water, ice, workforce relief stations, and wastewater processing for industrial worksites, remote locations, and emergency response.
ECC is an employee-owned company that provides high-quality, comprehensive, and competitive design-build, construction, environmental remediation, disaster recovery, energy, munitions response, and international development solutions to solve complex challenges. Founded in 1985, the company operates globally, constructing state-of-the-art facilities for military and government clients, remediating the environment, implementing renewable energy solutions, and revitalizing communities after natural disasters.
HOLT Group is a family-owned, values-driven enterprise headquartered in San Antonio, Texas, with a legacy spanning nearly a century. It operates as a powerhouse across several sectors, including heavy machinery, construction, energy, technology, and training. As the owner of the nation's largest Caterpillar dealership, HOLT CAT, the company excels in selling, servicing, and renting industrial equipment while prioritizing a people-first,...
OCI Energy is a leading developer of utility-scale solar and battery energy storage projects that strengthen America’s energy security, reduce energy costs, and support long-term grid reliability. From concept to operation, OCI Energy continues to lead the way in advancing energy solutions for a more secure and affordable energy future.
TDIndustries is a premier facilities services and mechanical construction company. Founded in 1946, they provide comprehensive solutions including design, construction, facilities management, maintenance, controls, and smart analytics to ensure buildings are safe, smart, and efficient. They specialize in mechanical construction, HVAC, and plumbing services for commercial and industrial complexes.
Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream energy company headquartered in Findlay, Ohio. The company operates the nation's largest refining system. MPC's marketing system includes branded locations across the United States, including Marathon brand retail outlets. MPC also owns the general partner and majority limited partner interest in MPLX LP, a midstream company that owns and operates gathering,...
