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Side-by-side financial comparison of 3M (MMM) and Southern Company (SO). Click either name above to swap in a different company.

Southern Company is the larger business by last-quarter revenue ($7.0B vs $6.0B, roughly 1.2× 3M). 3M runs the higher net margin — 10.8% vs 4.9%, a 5.9% gap on every dollar of revenue. On growth, Southern Company posted the faster year-over-year revenue change (146.8% vs 1.3%). Over the past eight quarters, Southern Company's revenue compounded faster (3.9% CAGR vs -1.8%).

The 3M Company is an American multinational conglomerate operating in the fields of industry, worker safety, and consumer goods. Based in the Saint Paul suburb of Maplewood, the company produces over 60,000 products, including adhesives, abrasives, laminates, passive fire protection, personal protective equipment, window films, paint protection film, electrical, electronic connecting, insulating materials, car-care products, electronic circuits, and optical films. Among its best-known consume...

Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territor...

MMM vs SO — Head-to-Head

Bigger by revenue
SO
SO
1.2× larger
SO
$7.0B
$6.0B
MMM
Growing faster (revenue YoY)
SO
SO
+145.5% gap
SO
146.8%
1.3%
MMM
Higher net margin
MMM
MMM
5.9% more per $
MMM
10.8%
4.9%
SO
Faster 2-yr revenue CAGR
SO
SO
Annualised
SO
3.9%
-1.8%
MMM

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
MMM
MMM
SO
SO
Revenue
$6.0B
$7.0B
Net Profit
$653.0M
$341.0M
Gross Margin
40.7%
Operating Margin
23.2%
13.1%
Net Margin
10.8%
4.9%
Revenue YoY
1.3%
146.8%
Net Profit YoY
-41.5%
483.1%
EPS (diluted)
$1.23

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
MMM
MMM
SO
SO
Q1 26
$6.0B
$7.0B
Q4 25
$6.1B
$7.0B
Q3 25
$6.5B
$7.8B
Q2 25
$6.3B
$7.0B
Q1 25
$6.0B
$7.8B
Q4 24
$6.0B
$6.3B
Q3 24
$6.3B
$7.3B
Q2 24
$6.3B
$6.5B
Net Profit
MMM
MMM
SO
SO
Q1 26
$653.0M
$341.0M
Q4 25
$577.0M
$341.0M
Q3 25
$834.0M
$1.7B
Q2 25
$723.0M
$880.0M
Q1 25
$1.1B
$1.3B
Q4 24
$728.0M
$466.0M
Q3 24
$1.4B
$1.5B
Q2 24
$1.1B
$1.2B
Gross Margin
MMM
MMM
SO
SO
Q1 26
40.7%
Q4 25
33.6%
Q3 25
41.8%
Q2 25
42.5%
Q1 25
41.6%
Q4 24
51.7%
Q3 24
42.1%
Q2 24
42.9%
Operating Margin
MMM
MMM
SO
SO
Q1 26
23.2%
13.1%
Q4 25
13.0%
13.1%
Q3 25
22.2%
33.2%
Q2 25
18.0%
25.3%
Q1 25
20.9%
25.9%
Q4 24
12.2%
16.7%
Q3 24
20.9%
32.6%
Q2 24
20.3%
30.0%
Net Margin
MMM
MMM
SO
SO
Q1 26
10.8%
4.9%
Q4 25
9.4%
4.9%
Q3 25
12.8%
21.9%
Q2 25
11.4%
12.6%
Q1 25
18.7%
16.3%
Q4 24
12.1%
7.3%
Q3 24
21.8%
21.1%
Q2 24
18.3%
18.6%
EPS (diluted)
MMM
MMM
SO
SO
Q1 26
$1.23
Q4 25
$1.07
$0.38
Q3 25
$1.55
$1.54
Q2 25
$1.34
$0.79
Q1 25
$2.04
$1.21
Q4 24
$1.33
$0.48
Q3 24
$2.48
$1.39
Q2 24
$2.07
$1.09

Balance Sheet & Financial Strength

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

Metric
MMM
MMM
SO
SO
Cash + ST InvestmentsLiquidity on hand
$3.7B
Total DebtLower is stronger
$10.9B
Stockholders' EquityBook value
$3.3B
Total Assets
$35.4B
Debt / EquityLower = less leverage
3.29×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MMM
MMM
SO
SO
Q1 26
$3.7B
Q4 25
$1.6B
Q3 25
$3.3B
Q2 25
$1.3B
Q1 25
$2.3B
Q4 24
$1.1B
Q3 24
$1.0B
Q2 24
$1.2B
Total Debt
MMM
MMM
SO
SO
Q1 26
$10.9B
Q4 25
$12.6B
$65.6B
Q3 25
$12.6B
$64.6B
Q2 25
$13.1B
$63.0B
Q1 25
$13.5B
$62.9B
Q4 24
$13.0B
$58.8B
Q3 24
$13.2B
$61.3B
Q2 24
$13.1B
$59.9B
Stockholders' Equity
MMM
MMM
SO
SO
Q1 26
$3.3B
Q4 25
$4.7B
$36.0B
Q3 25
$4.6B
$38.3B
Q2 25
$4.3B
$37.3B
Q1 25
$4.5B
$37.2B
Q4 24
$3.8B
$33.2B
Q3 24
$4.6B
$36.9B
Q2 24
$3.9B
$36.1B
Total Assets
MMM
MMM
SO
SO
Q1 26
$35.4B
Q4 25
$37.7B
$155.7B
Q3 25
$37.6B
$153.2B
Q2 25
$38.0B
$148.9B
Q1 25
$40.0B
$148.1B
Q4 24
$39.9B
$145.2B
Q3 24
$40.9B
$144.0B
Q2 24
$43.4B
$141.9B
Debt / Equity
MMM
MMM
SO
SO
Q1 26
3.29×
Q4 25
2.68×
1.82×
Q3 25
2.72×
1.69×
Q2 25
3.06×
1.69×
Q1 25
3.02×
1.69×
Q4 24
3.40×
1.77×
Q3 24
2.84×
1.66×
Q2 24
3.34×
1.66×

Cash Flow & Capital Efficiency

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

Metric
MMM
MMM
SO
SO
Operating Cash FlowLast quarter
Free Cash FlowOCF − Capex
$2.0B
FCF MarginFCF / Revenue
33.6%
Capex IntensityCapex / Revenue
Cash ConversionOCF / Net Profit
TTM Free Cash FlowTrailing 4 quarters
$3.7B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MMM
MMM
SO
SO
Q1 26
Q4 25
$1.6B
$2.6B
Q3 25
$1.8B
$3.8B
Q2 25
$-954.0M
$2.2B
Q1 25
$-79.0M
$1.3B
Q4 24
$1.8B
$2.2B
Q3 24
$-1.8B
$3.6B
Q2 24
$1.0B
$2.7B
Free Cash Flow
MMM
MMM
SO
SO
Q1 26
$2.0B
Q4 25
$1.3B
$-1.7B
Q3 25
$1.5B
$559.0M
Q2 25
$-1.2B
$-619.0M
Q1 25
$-315.0M
$-1.2B
Q4 24
$1.5B
$-576.0M
Q3 24
$-2.0B
$1.3B
Q2 24
$752.0M
$563.0M
FCF Margin
MMM
MMM
SO
SO
Q1 26
33.6%
Q4 25
21.8%
-24.2%
Q3 25
23.6%
7.1%
Q2 25
-18.3%
-8.9%
Q1 25
-5.3%
-15.3%
Q4 24
25.4%
-9.1%
Q3 24
-32.3%
17.9%
Q2 24
12.0%
8.7%
Capex Intensity
MMM
MMM
SO
SO
Q1 26
Q4 25
4.0%
61.4%
Q3 25
3.3%
41.1%
Q2 25
3.3%
40.2%
Q1 25
4.0%
31.3%
Q4 24
4.8%
43.4%
Q3 24
3.9%
31.8%
Q2 24
4.3%
32.9%
Cash Conversion
MMM
MMM
SO
SO
Q1 26
Q4 25
2.74×
7.62×
Q3 25
2.11×
2.21×
Q2 25
-1.32×
2.48×
Q1 25
-0.07×
0.98×
Q4 24
2.50×
4.66×
Q3 24
-1.30×
2.36×
Q2 24
0.89×
2.23×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MMM
MMM

Safety and Industrial business segment$2.9B49%
Transportation and Electronics business segment$1.8B31%
Consumer business segment$1.1B19%
Corporate$121.0M2%

SO
SO

Segment breakdown not available.

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