Last Energy
36 jobsSeries C+ · Washington, DC
Builds modular nuclear plants.
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Company Directory
A curated directory of energy & climate companies headquartered in Washington, D.C., with live hiring activity and funding context.
5 companies · Updated 8/31/2026
Series C+ · Washington, DC
Builds modular nuclear plants.
Series A · Washington, DC
Orchestrates AI datacenter power to flex with the grid.
Seed · Ashburn, VA
Delivers space-based power.
Seed · McLean, VA
Chip-to-grid power delivery technology for AI data centers.
Series C+ · McLean, VA
Manufactures hybrid-state batteries.
BuildList includes active companies with a canonical sector and headquarters metro. Hiring counts come from verified openings collected directly from company applicant-tracking systems.