5

langan internships in Pennsylvania

Traffic Intern / Co-op - Spring 2026
Langan Engineering & Environmental Services - Canonsburg, PA
Traffic Intern / Co-op - Summer 2026
Langan Engineering & Environmental Services - Canonsburg, PA
Civil Engineering Intern / Co-op - Summer 2026
Langan Engineering & Environmental Services - Canonsburg, PA
Civil Engineering Intern / Co-op - Spring 2026
Langan Engineering & Environmental Services - Canonsburg, PA
Environmental Intern / Co-op - Summer 2026
Langan Engineering & Environmental Services - Canonsburg, PA