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Side-by-side financial comparison of NATURAL GAS SERVICES GROUP INC (NGS) and RxSight, Inc. (RXST). Click either name above to swap in a different company.

NATURAL GAS SERVICES GROUP INC is the larger business by last-quarter revenue ($46.1M vs $32.6M, roughly 1.4× RxSight, Inc.). NATURAL GAS SERVICES GROUP INC runs the higher net margin — 8.9% vs -28.1%, a 37.0% gap on every dollar of revenue. On growth, NATURAL GAS SERVICES GROUP INC posted the faster year-over-year revenue change (13.5% vs -18.9%). RxSight, Inc. produced more free cash flow last quarter ($-2.3M vs $-20.7M).

Southern Company Gas, formerly AGL Resources, is an American Fortune 500 energy services holding company headquartered in Atlanta, Georgia. The company's operations consist of natural gas distribution, wholesale services, retail operations, and midstream operations. Southern Company Gas is one of the largest natural gas distribution companies in the United States. The company serves approximately 4.5 million utility customers through its regulated distribution subsidiaries across four states....

RxSight, Inc. is a medical technology company focused on developing and commercializing innovative intraocular lens solutions for patients undergoing cataract and refractive lens exchange procedures. Its flagship Light Adjustable Lens allows post-surgery power adjustment via a dedicated light delivery device, serving global ophthalmology care markets to improve post-operative visual outcomes for patients.

NGS vs RXST — Head-to-Head

Bigger by revenue
NGS
NGS
1.4× larger
NGS
$46.1M
$32.6M
RXST
Growing faster (revenue YoY)
NGS
NGS
+32.4% gap
NGS
13.5%
-18.9%
RXST
Higher net margin
NGS
NGS
37.0% more per $
NGS
8.9%
-28.1%
RXST
More free cash flow
RXST
RXST
$18.4M more FCF
RXST
$-2.3M
$-20.7M
NGS

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
NGS
NGS
RXST
RXST
Revenue
$46.1M
$32.6M
Net Profit
$4.1M
$-9.2M
Gross Margin
77.5%
Operating Margin
15.4%
-34.8%
Net Margin
8.9%
-28.1%
Revenue YoY
13.5%
-18.9%
Net Profit YoY
43.2%
-54.1%
EPS (diluted)
$0.32
$-0.22

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
NGS
NGS
RXST
RXST
Q4 25
$46.1M
$32.6M
Q3 25
$43.4M
$30.3M
Q2 25
$41.4M
$33.6M
Q1 25
$41.4M
$37.9M
Q4 24
$40.7M
$40.2M
Q3 24
$35.3M
Q2 24
$34.9M
Q1 24
$29.5M
Net Profit
NGS
NGS
RXST
RXST
Q4 25
$4.1M
$-9.2M
Q3 25
$5.8M
$-9.8M
Q2 25
$5.2M
$-11.8M
Q1 25
$4.9M
$-8.2M
Q4 24
$2.9M
$-5.9M
Q3 24
$-6.3M
Q2 24
$-6.1M
Q1 24
$-9.1M
Gross Margin
NGS
NGS
RXST
RXST
Q4 25
77.5%
Q3 25
79.9%
Q2 25
74.9%
Q1 25
74.8%
Q4 24
71.6%
Q3 24
71.4%
Q2 24
69.5%
Q1 24
70.1%
Operating Margin
NGS
NGS
RXST
RXST
Q4 25
15.4%
-34.8%
Q3 25
24.8%
-40.1%
Q2 25
24.0%
-41.6%
Q1 25
23.0%
-28.2%
Q4 24
14.9%
-21.5%
Q3 24
-26.1%
Q2 24
-23.9%
Q1 24
-36.2%
Net Margin
NGS
NGS
RXST
RXST
Q4 25
8.9%
-28.1%
Q3 25
13.3%
-32.4%
Q2 25
12.5%
-35.0%
Q1 25
11.7%
-21.6%
Q4 24
7.0%
-14.8%
Q3 24
-17.9%
Q2 24
-17.4%
Q1 24
-30.8%
EPS (diluted)
NGS
NGS
RXST
RXST
Q4 25
$0.32
$-0.22
Q3 25
$0.46
$-0.24
Q2 25
$0.41
$-0.29
Q1 25
$0.38
$-0.20
Q4 24
$0.22
$-0.14
Q3 24
$-0.16
Q2 24
$-0.16
Q1 24
$-0.25

Balance Sheet & Financial Strength

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

Metric
NGS
NGS
RXST
RXST
Cash + ST InvestmentsLiquidity on hand
$228.1M
Total DebtLower is stronger
Stockholders' EquityBook value
$274.7M
$275.7M
Total Assets
$586.8M
$311.8M
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
NGS
NGS
RXST
RXST
Q4 25
$228.1M
Q3 25
$227.5M
Q2 25
$325.0K
$227.5M
Q1 25
$2.1M
$229.3M
Q4 24
$2.1M
$237.2M
Q3 24
$237.1M
Q2 24
$233.3M
Q1 24
$125.4M
Stockholders' Equity
NGS
NGS
RXST
RXST
Q4 25
$274.7M
$275.7M
Q3 25
$271.4M
$276.0M
Q2 25
$266.2M
$278.0M
Q1 25
$260.3M
$279.3M
Q4 24
$255.1M
$281.2M
Q3 24
$277.3M
Q2 24
$275.2M
Q1 24
$163.9M
Total Assets
NGS
NGS
RXST
RXST
Q4 25
$586.8M
$311.8M
Q3 25
$562.3M
$308.5M
Q2 25
$525.5M
$309.0M
Q1 25
$501.7M
$313.0M
Q4 24
$492.5M
$318.6M
Q3 24
$310.5M
Q2 24
$305.5M
Q1 24
$183.2M

Cash Flow & Capital Efficiency

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

Metric
NGS
NGS
RXST
RXST
Operating Cash FlowLast quarter
$13.9M
$-1.1M
Free Cash FlowOCF − Capex
$-20.7M
$-2.3M
FCF MarginFCF / Revenue
-44.8%
-6.9%
Capex IntensityCapex / Revenue
74.9%
3.5%
Cash ConversionOCF / Net Profit
3.38×
TTM Free Cash FlowTrailing 4 quarters
$-58.6M
$-19.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
NGS
NGS
RXST
RXST
Q4 25
$13.9M
$-1.1M
Q3 25
$16.8M
$-1.2M
Q2 25
$11.0M
$-4.4M
Q1 25
$21.3M
$-8.8M
Q4 24
$9.4M
$-4.3M
Q3 24
$650.0K
Q2 24
$-4.0M
Q1 24
$-9.3M
Free Cash Flow
NGS
NGS
RXST
RXST
Q4 25
$-20.7M
$-2.3M
Q3 25
$-25.1M
$-1.8M
Q2 25
$-14.8M
$-5.9M
Q1 25
$2.0M
$-9.4M
Q4 24
$-5.1M
$-5.1M
Q3 24
$-453.0K
Q2 24
$-5.5M
Q1 24
$-11.3M
FCF Margin
NGS
NGS
RXST
RXST
Q4 25
-44.8%
-6.9%
Q3 25
-57.7%
-5.8%
Q2 25
-35.8%
-17.6%
Q1 25
4.9%
-24.8%
Q4 24
-12.6%
-12.7%
Q3 24
-1.3%
Q2 24
-15.9%
Q1 24
-38.2%
Capex Intensity
NGS
NGS
RXST
RXST
Q4 25
74.9%
3.5%
Q3 25
96.5%
1.9%
Q2 25
62.4%
4.6%
Q1 25
46.5%
1.5%
Q4 24
35.8%
2.1%
Q3 24
3.1%
Q2 24
4.4%
Q1 24
6.7%
Cash Conversion
NGS
NGS
RXST
RXST
Q4 25
3.38×
Q3 25
2.90×
Q2 25
2.12×
Q1 25
4.38×
Q4 24
3.29×
Q3 24
Q2 24
Q1 24

Financial Flow Comparison

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

Revenue Breakdown by Segment

NGS
NGS

Segment breakdown not available.

RXST
RXST

Rxlal$28.2M86%
LDD$3.0M9%
Service Warranty Service Contracts And Accessories$1.5M4%

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