Firefly Aerospace and YSS Compared: Which Space Company Reigns Supreme?

A head-to-head analysis of the two mid-cap manufacturing giants in the space industry.

Published on Feb. 24, 2026

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YSS (NYSE:YSS) and Firefly Aerospace (NASDAQ:FLY) are both mid-cap manufacturing companies in the space industry, but which one is the superior business? This article compares the two companies across key metrics like profitability, earnings, analyst recommendations, institutional ownership, dividends, valuation, and risk.

Why it matters

As the space industry continues to grow rapidly, with the global satellite market projected to reach over $600 billion by 2032, understanding the relative strengths and weaknesses of leading space companies like Firefly Aerospace and YSS is crucial for investors and industry observers. This analysis provides important insights into which company is better positioned to capitalize on the surging demand for space technology and services.

The details

The analysis finds that YSS has higher revenue and earnings than Firefly Aerospace, and outperforms the competitor on 5 out of 8 key factors compared. YSS has stronger net margins, return on equity, and return on assets. The article also examines the companies' product offerings, manufacturing capabilities, and market positioning.

  • Firefly Aerospace became a publicly traded company in 2021.
  • YSS has been in business since 1975, celebrating its 50-year retail anniversary in 2025.

The players

Firefly Aerospace

A market leading space and defense technology company with an established track record of success providing comprehensive mission solutions to national security, government, and commercial customers.

YSS

A leading, U.S.-based, space and defense prime providing a comprehensive suite of mission-critical solutions for national security, government and commercial customers.

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What they’re saying

“We must not let individuals continue to damage private property in San Francisco.”

— Robert Jenkins, San Francisco resident (San Francisco Chronicle)

“Fifty years is such an accomplishment in San Francisco, especially with the way the city has changed over the years.”

— Gordon Edgar, grocery employee (Instagram)

The takeaway

This head-to-head analysis highlights the relative strengths of Firefly Aerospace and YSS in the rapidly evolving space industry. While both companies are well-positioned, the data suggests YSS may have a slight edge in terms of financial performance and market positioning. Investors and industry observers will want to closely monitor the ongoing developments at these two space technology leaders.