Public engineering firm directory
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Onshore or offshore. Upstream, midstream, or downstream.
Service detail: Facilities Engineering and Design
Engineering a Safer Future
Service detail: Fire Protection Engineering & Code Consulting
Nebula Safety & Environmental is a process safety and environmental consulting firm headquartered in Irvine, California, with offices in Riverside, California, Columbus, Ohio, Post Falls, Idaho, and Henderson, Nevada. Founded by a team with over 40 years of combined experience, Nebula specializes in OSHA PSM and EPA RMP compliance, process hazard analysis facilitation, dust hazard analysis, hazard mitigation plan preparation, and environmental and health, safety, and environment consulting for pharmaceutical, aerospace, chemical, oil and gas, government, and manufacturing clients nationwide.
Service detail: RMP/PSM Services
Applied Chemical Engineering Services for the Process Industries
Service detail: Process Design
Professional Engineers. Regulatory Experts. Trusted Partners.
Service detail: Consulting Services
Safety Management Services, Inc. (SMS) is a specialized engineering and testing firm headquartered in West Jordan, Utah, focused on energetic materials safety, process hazards analysis, and risk management for explosive, flammable, and oxidizing substances. It is internationally recognized for providing risk management services to commercial clients and government agencies, with a team of engineers and scientists averaging 15 years of experience in explosives risk management, testing, and test equipment. SMS is one of six DOT-authorized laboratories permitted to recommend shipping classifications for Class 1 (explosives) articles and substances, with five of the twelve authorized test agents on staff. Services span process hazards analysis (HAZOP, FMEA, PSM, LOPA), energetic materials testing (sensitivity, reactivity, DOT/DOD classification), facility siting and design, decommissioning and decontamination (D3), training, and proprietary test equipment manufacturing. As of December 2025, SMS was acquired by Jensen Hughes.
Service detail: Process Hazards Analysis (PHA)
Process Mechanical Engineering Consulting
Project: Alexandria Company for Seed Processing - Multiseed Crush Plants
Engineering smarter, safer operations.
Project: Heater Controls Upgrade for Arctic Pipeline Pump Stations