Best government companies in Irvine, CA

A pioneer in groundbreaking scientific and engineering developments since the 1960s, TRC is a national engineering services, consulting and construction management firm that provides integrated services to the energy, environmental and infrastructure markets. TRC serves a broad range of clients in government and industry, implementing complex projects from initial concept to delivery and operation.

Stericycle is a global services company. They provide highly specialized solutions serving healthcare organizations and commercial businesses of every size and shape. Throughout the last 25 years, they have grown from a small start-up in medical waste management into a leader across a range of increasingly complex and highly regulated arenas, such as:Brand protection solutions, Environmental & sustainable solutions, Patient & customer communication solutions, and Regulated waste management & compliance solutions. From the start they have challenged the status quo of what a business solution can be. By identifying unmet needs, they have redefined and transformed multiple industries from a narrowly defined service category to a robust suite of solutions that customers need and want. Their success with this strategy has landed Stericycle among the Fortune 1000 list and Forbes 25 Most Innovative Companies. Stericycle now conducts business in Argentina, Brazil, Canada, Chile, Ireland, Japan, Mexico, Portugal, Republic of Korea, Romania, Spain, the United Kingdom and the United States. They continue exploring new opportunities that enhance and complement their compliance-based services around the globe.

Pace Analytical is a sampling and analytical testing firm. Pace Analytical has provided comprehensive analytical testing and emergency disaster response services to a broad range of clients, markets and industries. Today, Pace Analytical is recognized as the industry's second largest environmental testing firm in the United States, operating a nationwide network of twenty-one laboratories, four specialty services laboratories and twenty-one service centers.

Explore our range of services including Nearshore- and Aquatic-Based Engineering, Environmental Remediation, and Environmental Planning and Restoration.

Golder Associates Inc., branded as just Golder, is a Canadian employee-owned, global company providing consulting, design, and construction services in earth, environment, and related areas of energy.

Hazen and Sawyer has focused on two critical activities - helping Their clients provide safe drinking water to their customers, and controlling water pollution and its effects on the environment. Their focus brings us exceptional challenges - such as the largest drinking water UV disinfection installation in the world, upgrade of major wastewater treatment plants to reduce nutrient discharges to sensitive receiving waters, and recharging vital drinking water aquifers with highly-treated wastewater effluent, renewing a valuable resource.

The California State Teachers' Retirement System was established by law in 1913 to provide retirement benefits to California's public school educators from prekindergarten through community college. Today, CalSTRS is the largest educator-only pension fund in the world, and the second largest pension fund in the U.S.