Private company

Sierra Space

American aerospace, space technology company

Sierra Space Corporation is a privately held aerospace and space technologies company headquartered in Louisville, Colorado, with additional facilities in Colorado, Wisconsin, Florida, North Carolina and a testing site at the Marshall Space Flight Center in Alabama. The company makes spaceflight hardware for various applications across the industry.2 It was founded by Eren Özmen and Fatih Özmen.1 Its chief executive is Janet L. Kavandi.1 It employed 2,000 people in 2024.1 It is part of Sierra Nevada Corporation.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Sierra Space Corporation is a privately held aerospace and space technologies company headquartered in Louisville, Colorado, with additional facilities in Colorado, Wisconsin, Florida, North Carolina and a testing site at the Marshall Space Flight Center in Alabama. The company makes spaceflight hardware for various applications across the industry.2

Corporate structure

Sierra Space is part of a group headed by Sierra Nevada Corporation. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

The story

Founded by Eren Özmen and Fatih Özmen.1

Leadership

Who has led Sierra Space, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Parent company

From Wikidata.1

Employees over time

  • 20242,0001

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$376.6M 2023–2026
Money received by yearMoney received by year, 2023–2026: $376.6M in all. Federal grants $2.1M; Other federal assistance $349.1K; Federal contracts $374.2M.$0$100M$200M$300M2023 · Other federal assistance: $349.1K2023 · Federal contracts: $23.2M20232024 · Federal grants: $1.0M2024 · Federal contracts: $219.0M20242025 · Federal grants: $1.1M2025 · Federal contracts: $110.6M20252026 · Federal contracts: $21.4M2026
Without federal contracts$2.4M 2023–2025
Without federal contractsWithout federal contracts, 2023–2025: $2.4M in all. Federal grants $2.1M; Other federal assistance $349.1K.$0$500K$1M$1.5M2023 · Other federal assistance: $349.1K20232024 · Federal grants: $1.0M20242025 · Federal grants: $1.1M2025
Figures by year
YearFederal grantsOther federal assistanceFederal contractsTotal
2026––$21.4M$21.4M
2025$1.1M–$110.6M$111.6M
2024$1.0M–$219.0M$220.0M
2023–$349.1K$23.2M$23.5M

Federal awards

Obligated amounts from USAspending.gov3, by calendar year, 2023–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest grants

  1. Nov 27, 2023$2.0M from National Aeronautics and Space Administration: Exploration4 To SIERRA SPACE CORP Award 80NSSC24K0449
  2. Dec 16, 2024$60.1K from National Aeronautics and Space Administration: Space Technology5 To SIERRA SPACE CORP Award 80NSSC25M7065

Largest contracts

  1. Aug 29, 2017$27.3M from National Aeronautics and Space Administration: Igf::ot::igf nasa baa/nra award. proposal title "next space technologies for exploration partnership - nextstep-2. the nextstep-2 study co6 To SIERRA SPACE CORP Award 80HQTR17C0009
  2. Jun 9, 2023$22.6M from Department of the Air Force: Small business innovative research (sbir) ph iii maturation of the vr35k-a advanced upper stage engine7 To SIERRA SPACE CORP Award FA930023C6015
  3. Jul 19, 2022$20.2M from Department of the Air Force: Small business innovative research (sbir) phase iii "maturation of snc upper stage vortex engine enhancement"8 To SIERRA SPACE CORP Award FA930022C6022
  4. Sep 25, 2024$16.0M from Department of the Air Force: Sbir phase iii - maturation of the vr25k-a advanced upper stage engine.9 To SIERRA SPACE CORP Award FA930024C6009
  5. May 2, 2019$12.5M from National Aeronautics and Space Administration: Baa r&d - the next space technologies for exploration partnerships -2 (nextstep-2) appendix f: logistics reduction (lr) in space by trash co10 To SIERRA SPACE CORP Award 80HQTR19C0019