If this is your first time navigating the world of intern politics, heed the advice of Karen Purcell, president of electrical engineering firm PK Electrical: "You probably won't be offered the first internship you apply for so cast a wide net. You may even find that you get to pick your preferred placement if you've lined up plenty of options."
So pick your favorites from the list below and start applying today! (If business and sales are more your jam, check out our list of internship opportunities in those industries.)
1. Schneider Electric
What it does: Schneider Electric is an electrical equipment company based in France with operations worldwide. It specializes in electricity distribution and automation and energy management. It recently partnered with Microsoft to develop cloud-based software to run on Microsoft's Windows Azure cloud platform.
Seeking interns for: Technical and applied engineering, mechanical engineering, industrial and manufacturing engineering and other
What it does: Alcoa derives its name from Aluminum Company of America. It is the world's third largest producer of aluminum and operates in 31 countries. The company services many industries, including automotive and aerospace transportation, building and construction, consumer electronics and packaging, defense applications across air, land and sea, and the oil and gas industry. It is headquartered in New York City.
Seeking interns for: Environmental, quality, product and manufacturing engineering and others
3. Northrop Grumman
What it does: Northrop Grumman is a global aerospace and defense technology company based in West Falls Church, Va. The Fortune 500 company is the sixth-largest defense contractor in the world. Among its products are aircraft carriers, military aircraft and vessels, satellites and military defense systems.
Seeking interns for: Product and mechanical engineering, industrial design, laser support and other
Where: California, Illinois, Florida, Virginia and others
What it does: RS&H is a privately owned architecture, engineering and consulting company with headquarters in Jacksonville, Fla. It works with clients on facility and infrastructure projects for land, air and space.
Seeking interns for: Mechanical and civil engineering, design build operations and others
Where: Florida, Illinois, North Carolina and Virginia
5. Teledyne Technologies
What it does: Teledyne Technologies is an industrial conglomerate that operates in many sectors, offering products that include aerospace and defense electronics, digital imaging products and software and monitoring instrumentation for marine and environmental applications. The publicly owned industrial giant is a parent to almost 100 smaller companies and is based in Thousand Oaks, Calif.
Seeking interns for: Test, systems, software and mechanical engineering and more
6. Trinity Industries
What it does: Trinity Industries is a conglomerate of businesses that provide services to the industrial, energy, transportation and construction sectors. The industrial company is segmented into five principal business groups: the Rail Group, the Railcar Leasing and Management Services Group, the Inland Barge Group, the Construction Products Group and the Energy Equipment Group. Its headquarters are in Dallas, Texas.
Seeking interns for: Weld engineering, production operations, industrial engineering and others
Where: Texas, Illinois, Louisiana and California
7. Ducommun Incorporated
What it does: Ducommun Incorporated is an engineering and manufacturing company and provides services primarily in the aerospace, defense, industrial, energy, and medical sectors. Its best known clients are Boeing, Apache, Chinook, and Blackhawk helicopters, and the Space Shuttle. Ducommun is the oldest company in California and is headquartered in the city of Carson.
Seeking interns for: Process, mechanical and manufacturing engineering and other
Where: Arkansas, California and Oklahoma
What it does: Flextronics offers supply chain services, including manufacturing, distribution and aftermarket services, to original equipment manufacturers. The Fortune 500 company has manufacturing operations in over 30 countries and is the second largest company of its kind globally. It is based in Singapore and operates out of Silicon Valley.
Seeking interns for: Mechanical and electrical engineering and others
Where: California, Michigan, Texas and Massachusetts
What it does: Mathworks is a mathematical computing software company based in Natick, Mass. Its best known products are MATLAB and Simulink. These and other Mathworks-developed tools are used by the government, at universities and various industries. Mathworks appeared on Business Insider's list of best tech companies to work for.
Seeking interns for: Algorithm and architecture software engineering and others
Where: Michigan, Massachusetts and Alabama
10. Moody's Corporation
What it does: Moody's is a credit rating agency, the holding company for Moody's Investors Service and a financial analysis software and services provider. The public company operates worldwide and is based in New York City. Its closest competitors are Standard & Poor's and Fitch Ratings.
Seeking interns for: Software and financial engineering and others
Where: California and New York