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Side-by-side financial comparison of Iridium Communications Inc. (IRDM) and TETRA TECHNOLOGIES INC (TTI). Click either name above to swap in a different company.

Iridium Communications Inc. is the larger business by last-quarter revenue ($219.1M vs $156.3M, roughly 1.4× TETRA TECHNOLOGIES INC). Iridium Communications Inc. runs the higher net margin — 9.9% vs 5.3%, a 4.5% gap on every dollar of revenue. On growth, Iridium Communications Inc. posted the faster year-over-year revenue change (1.9% vs -0.6%). Over the past eight quarters, Iridium Communications Inc.'s revenue compounded faster (4.4% CAGR vs -4.7%).

Iridium Communications Inc. is a publicly traded American company headquartered in McLean, Virginia, United States. Iridium operates the Iridium satellite constellation, a system of 80 satellites: 66 are active satellites and the remaining fourteen function as in-orbit spares. Iridium Satellites are used for worldwide voice and data communication from handheld satellite phones, satellite messenger communication devices and integrated transceivers, as well as for two-way satellite messaging se...

Tetra Tech, Inc. is an American consulting and engineering services firm based in Pasadena, California. The company provides consulting, engineering, program management, and construction management services in the areas of water, environment, infrastructure, resource management, energy, and international development.

IRDM vs TTI — Head-to-Head

Bigger by revenue
IRDM
IRDM
1.4× larger
IRDM
$219.1M
$156.3M
TTI
Growing faster (revenue YoY)
IRDM
IRDM
+2.5% gap
IRDM
1.9%
-0.6%
TTI
Higher net margin
IRDM
IRDM
4.5% more per $
IRDM
9.9%
5.3%
TTI
Faster 2-yr revenue CAGR
IRDM
IRDM
Annualised
IRDM
4.4%
-4.7%
TTI

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
IRDM
IRDM
TTI
TTI
Revenue
$219.1M
$156.3M
Net Profit
$21.6M
$8.3M
Gross Margin
24.5%
Operating Margin
23.2%
8.2%
Net Margin
9.9%
5.3%
Revenue YoY
1.9%
-0.6%
Net Profit YoY
105.5%
EPS (diluted)

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
IRDM
IRDM
TTI
TTI
Q1 26
$219.1M
$156.3M
Q4 25
$212.9M
$146.7M
Q3 25
$226.9M
$153.2M
Q2 25
$216.9M
$173.9M
Q1 25
$214.9M
$157.1M
Q4 24
$213.0M
$134.5M
Q3 24
$212.8M
$141.7M
Q2 24
$201.1M
$171.9M
Net Profit
IRDM
IRDM
TTI
TTI
Q1 26
$21.6M
$8.3M
Q4 25
$24.9M
$-16.5M
Q3 25
$37.1M
$4.2M
Q2 25
$22.0M
$11.3M
Q1 25
$30.4M
$4.0M
Q4 24
$36.3M
$102.7M
Q3 24
$24.4M
$-3.0M
Q2 24
$32.3M
$7.6M
Gross Margin
IRDM
IRDM
TTI
TTI
Q1 26
24.5%
Q4 25
19.4%
Q3 25
23.7%
Q2 25
27.7%
Q1 25
27.3%
Q4 24
23.1%
Q3 24
24.3%
Q2 24
25.2%
Operating Margin
IRDM
IRDM
TTI
TTI
Q1 26
23.2%
8.2%
Q4 25
25.9%
-4.2%
Q3 25
30.9%
7.3%
Q2 25
23.2%
11.2%
Q1 25
28.1%
3.2%
Q4 24
24.5%
5.5%
Q3 24
25.8%
8.4%
Q2 24
21.7%
7.3%
Net Margin
IRDM
IRDM
TTI
TTI
Q1 26
9.9%
5.3%
Q4 25
11.7%
-11.3%
Q3 25
16.4%
2.7%
Q2 25
10.1%
6.5%
Q1 25
14.2%
2.6%
Q4 24
17.1%
76.4%
Q3 24
11.5%
-2.1%
Q2 24
16.1%
4.4%
EPS (diluted)
IRDM
IRDM
TTI
TTI
Q1 26
Q4 25
$0.24
$-0.12
Q3 25
$0.35
$0.03
Q2 25
$0.20
$0.08
Q1 25
$0.27
$0.03
Q4 24
$0.30
$0.77
Q3 24
$0.21
$-0.02
Q2 24
$0.27
$0.06

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
IRDM
IRDM
TTI
TTI
Cash + ST InvestmentsLiquidity on hand
$35.5M
Total DebtLower is stronger
$5.9M
Stockholders' EquityBook value
$285.6M
Total Assets
$662.3M
Debt / EquityLower = less leverage
0.02×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
IRDM
IRDM
TTI
TTI
Q1 26
$35.5M
Q4 25
$96.5M
$72.6M
Q3 25
$88.5M
$67.1M
Q2 25
$79.3M
$68.7M
Q1 25
$50.9M
$41.0M
Q4 24
$93.5M
$37.0M
Q3 24
$159.6M
$48.4M
Q2 24
$63.5M
$37.7M
Total Debt
IRDM
IRDM
TTI
TTI
Q1 26
$5.9M
Q4 25
$1.8B
$190.0M
Q3 25
$180.9M
Q2 25
$180.5M
Q1 25
Q4 24
$1.8B
$179.7M
Q3 24
Q2 24
$179.7M
Stockholders' Equity
IRDM
IRDM
TTI
TTI
Q1 26
$285.6M
Q4 25
$462.6M
$283.8M
Q3 25
$450.5M
$296.7M
Q2 25
$473.6M
$290.9M
Q1 25
$518.4M
$273.0M
Q4 24
$576.6M
$254.6M
Q3 24
$663.8M
$156.7M
Q2 24
$786.7M
$154.8M
Total Assets
IRDM
IRDM
TTI
TTI
Q1 26
$662.3M
Q4 25
$2.5B
$675.8M
Q3 25
$2.6B
$655.2M
Q2 25
$2.6B
$645.6M
Q1 25
$2.6B
$614.1M
Q4 24
$2.7B
$605.2M
Q3 24
$2.8B
$501.2M
Q2 24
$2.7B
$605.2M
Debt / Equity
IRDM
IRDM
TTI
TTI
Q1 26
0.02×
Q4 25
3.80×
0.67×
Q3 25
0.61×
Q2 25
0.62×
Q1 25
Q4 24
3.05×
0.71×
Q3 24
Q2 24
1.16×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
IRDM
IRDM
TTI
TTI
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$-31.9M
FCF MarginFCF / Revenue
-20.4%
Capex IntensityCapex / Revenue
13.7%
4.5%
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$1.6M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
IRDM
IRDM
TTI
TTI
Q1 26
Q4 25
$108.6M
$31.7M
Q3 25
$100.8M
$16.4M
Q2 25
$129.6M
$48.3M
Q1 25
$61.1M
$3.9M
Q4 24
$104.8M
$5.6M
Q3 24
$118.6M
$19.9M
Q2 24
$81.1M
$24.8M
Free Cash Flow
IRDM
IRDM
TTI
TTI
Q1 26
$-31.9M
Q4 25
$75.1M
$4.1M
Q3 25
$79.2M
$627.0K
Q2 25
$108.9M
$28.8M
Q1 25
$36.5M
$-14.0M
Q4 24
$80.5M
$-9.3M
Q3 24
$100.0M
$5.3M
Q2 24
$68.7M
$9.4M
FCF Margin
IRDM
IRDM
TTI
TTI
Q1 26
-20.4%
Q4 25
35.3%
2.8%
Q3 25
34.9%
0.4%
Q2 25
50.2%
16.6%
Q1 25
17.0%
-8.9%
Q4 24
37.8%
-6.9%
Q3 24
47.0%
3.7%
Q2 24
34.2%
5.5%
Capex Intensity
IRDM
IRDM
TTI
TTI
Q1 26
13.7%
4.5%
Q4 25
15.7%
18.8%
Q3 25
9.5%
10.3%
Q2 25
9.5%
11.2%
Q1 25
11.4%
11.4%
Q4 24
11.4%
11.1%
Q3 24
8.7%
10.3%
Q2 24
6.2%
9.0%
Cash Conversion
IRDM
IRDM
TTI
TTI
Q1 26
Q4 25
4.37×
Q3 25
2.71×
3.94×
Q2 25
5.90×
4.28×
Q1 25
2.01×
0.97×
Q4 24
2.88×
0.05×
Q3 24
4.85×
Q2 24
2.51×
3.25×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

IRDM
IRDM

Voice and data$57.4M26%
IoT data (2)$46.0M21%
Government$39.5M18%
Government service revenue (5)$27.6M13%
Subscriber equipment$20.2M9%
Hosted payload and other data service (4)$14.8M7%
Broadband (3)$12.2M6%
Commercial$1.3M1%

TTI
TTI

Segment breakdown not available.

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