EMSI is a privately held, woman-owned business established in 1986 as a Texas C-Corp. We offer over 100 years of combined experience in the environmental industry, and currently operate in over 30 states. EMSI offers a unique combination of best in class environmental consulting and Leak Detection and Repair (LDAR) services that was built upon the core principles of environmental consciousness, customer service, accountability, perseverance, and teamwork. Our focus is to build long-term business relationships, which provide strategic value to your organization. From project start-up through completion, we are dedicated to delivering the most cost-effective solutions, while maintaining superior quality work. We have experience providing permitting, compliance, reporting, and LDAR support for hundreds of customers within the oil and gas, refining, natural gas, chemical, and petrochemical industries. EMSI has designed and implemented programs that are adaptable to meet the needs of our client's maintenance, operations, and environmental departments nationwide as well as internationally.

  • Mission Statement: EMSI's mission is to aid refineries and chemical plants in meeting the environmental regulations of government agencies. Our goal is to ensure that your facility remains in the highest attainable state of compliance.
  • Vision: Our vision is to create a family-like culture in which our employees and clients always feel supported. This can only be achieved through strong leadership, effective communication, and a constant focus on putting people first.
  • Core Principals
    • Environmental Consciousness
    • Customer Service
    • Accountability
    • Perseverance
    • Teamwork

"EMSI values safety. They're
committed to compliance and
devoted to customer service."



Earl Hassell
Chevron Phillips



"Very thorough - from field work to
record keeping to regulations."




Linda Salinas
Texmark

"Highly effective and very well
established procedures for
managing compliance.

Sherman Hampton
Exxon Mobil