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Side-by-side financial comparison of Automatic Data Processing (ADP) and NPK International Inc. (NPKI). Click either name above to swap in a different company.

Automatic Data Processing is the larger business by last-quarter revenue ($5.4B vs $75.2M, roughly 71.3× NPK International Inc.). On growth, NPK International Inc. posted the faster year-over-year revenue change (30.7% vs 6.2%). Over the past eight quarters, NPK International Inc.'s revenue compounded faster (23.9% CAGR vs 1.0%).

Automatic Data Processing, Inc. (ADP) is an American multinational provider of cloud-based human resources management, payroll processing, and professional employer organization (PEO) services, headquartered in Roseland, New Jersey.

ADP vs NPKI — Head-to-Head

Bigger by revenue
ADP
ADP
71.3× larger
ADP
$5.4B
$75.2M
NPKI
Growing faster (revenue YoY)
NPKI
NPKI
+24.6% gap
NPKI
30.7%
6.2%
ADP
Faster 2-yr revenue CAGR
NPKI
NPKI
Annualised
NPKI
23.9%
1.0%
ADP

Income Statement — Q2 2026 vs Q4 2025

Metric
ADP
ADP
NPKI
NPKI
Revenue
$5.4B
$75.2M
Net Profit
$1.1B
Gross Margin
46.1%
37.7%
Operating Margin
25.8%
16.7%
Net Margin
19.8%
Revenue YoY
6.2%
30.7%
Net Profit YoY
10.3%
EPS (diluted)
$2.62
$0.17

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
ADP
ADP
NPKI
NPKI
Q4 25
$5.4B
$75.2M
Q3 25
$5.2B
$68.8M
Q2 25
$5.1B
$68.2M
Q1 25
$5.6B
$64.8M
Q4 24
$5.0B
$57.5M
Q3 24
$4.8B
$44.2M
Q2 24
$4.8B
$66.8M
Q1 24
$5.3B
$49.0M
Net Profit
ADP
ADP
NPKI
NPKI
Q4 25
$1.1B
Q3 25
$1.0B
$5.7M
Q2 25
$910.7M
$8.7M
Q1 25
$1.2B
$10.0M
Q4 24
$963.2M
Q3 24
$956.3M
$-174.3M
Q2 24
$829.3M
$8.0M
Q1 24
$1.2B
$7.3M
Gross Margin
ADP
ADP
NPKI
NPKI
Q4 25
46.1%
37.7%
Q3 25
45.2%
31.9%
Q2 25
45.1%
36.9%
Q1 25
47.7%
39.0%
Q4 24
45.7%
39.2%
Q3 24
45.5%
27.5%
Q2 24
44.8%
37.2%
Q1 24
47.3%
36.0%
Operating Margin
ADP
ADP
NPKI
NPKI
Q4 25
25.8%
16.7%
Q3 25
25.3%
13.2%
Q2 25
23.2%
17.0%
Q1 25
29.2%
20.9%
Q4 24
25.0%
20.2%
Q3 24
25.6%
2.8%
Q2 24
22.8%
18.7%
Q1 24
29.4%
14.2%
Net Margin
ADP
ADP
NPKI
NPKI
Q4 25
19.8%
Q3 25
19.6%
8.2%
Q2 25
17.8%
12.7%
Q1 25
22.5%
15.4%
Q4 24
19.1%
Q3 24
19.8%
-394.3%
Q2 24
17.4%
12.0%
Q1 24
22.6%
14.9%
EPS (diluted)
ADP
ADP
NPKI
NPKI
Q4 25
$2.62
$0.17
Q3 25
$2.49
$0.07
Q2 25
$2.23
$0.10
Q1 25
$3.06
$0.11
Q4 24
$2.35
$0.10
Q3 24
$2.34
$-1.99
Q2 24
$2.01
$0.09
Q1 24
$2.88
$0.08

Balance Sheet & Financial Strength

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

Metric
ADP
ADP
NPKI
NPKI
Cash + ST InvestmentsLiquidity on hand
$2.5B
$5.1M
Total DebtLower is stronger
$16.9M
Stockholders' EquityBook value
$6.4B
$351.2M
Total Assets
$84.6B
$441.8M
Debt / EquityLower = less leverage
0.05×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
ADP
ADP
NPKI
NPKI
Q4 25
$2.5B
$5.1M
Q3 25
$7.9B
$35.6M
Q2 25
$7.8B
$26.0M
Q1 25
$2.7B
$20.8M
Q4 24
$2.2B
$17.8M
Q3 24
$7.3B
$42.9M
Q2 24
$3.3B
$35.1M
Q1 24
$3.3B
$37.7M
Total Debt
ADP
ADP
NPKI
NPKI
Q4 25
$16.9M
Q3 25
$9.5M
Q2 25
$9.3M
Q1 25
$8.1M
Q4 24
$7.7M
Q3 24
$14.0M
Q2 24
$58.0M
Q1 24
$77.4M
Stockholders' Equity
ADP
ADP
NPKI
NPKI
Q4 25
$6.4B
$351.2M
Q3 25
$6.4B
$333.9M
Q2 25
$6.2B
$328.8M
Q1 25
$5.9B
$326.9M
Q4 24
$5.1B
$326.5M
Q3 24
$5.3B
$316.5M
Q2 24
$4.5B
$426.6M
Q1 24
$4.6B
$421.6M
Total Assets
ADP
ADP
NPKI
NPKI
Q4 25
$84.6B
$441.8M
Q3 25
$54.3B
$404.5M
Q2 25
$53.4B
$393.7M
Q1 25
$56.4B
$390.0M
Q4 24
$64.1B
$393.7M
Q3 24
$49.5B
$389.6M
Q2 24
$54.4B
$624.8M
Q1 24
$64.2B
$640.8M
Debt / Equity
ADP
ADP
NPKI
NPKI
Q4 25
0.05×
Q3 25
0.03×
Q2 25
0.03×
Q1 25
0.02×
Q4 24
0.02×
Q3 24
0.04×
Q2 24
0.14×
Q1 24
0.18×

Cash Flow & Capital Efficiency

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

Metric
ADP
ADP
NPKI
NPKI
Operating Cash FlowLast quarter
$1.1B
$18.0M
Free Cash FlowOCF − Capex
$5.8M
FCF MarginFCF / Revenue
7.6%
Capex IntensityCapex / Revenue
16.3%
Cash ConversionOCF / Net Profit
1.07×
TTM Free Cash FlowTrailing 4 quarters
$26.3M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
ADP
ADP
NPKI
NPKI
Q4 25
$1.1B
$18.0M
Q3 25
$642.3M
$24.7M
Q2 25
$1.4B
$21.4M
Q1 25
$1.5B
$8.8M
Q4 24
$1.2B
$-4.1M
Q3 24
$824.4M
$2.8M
Q2 24
$1.3B
$27.6M
Q1 24
$1.5B
$11.9M
Free Cash Flow
ADP
ADP
NPKI
NPKI
Q4 25
$5.8M
Q3 25
$12.0M
Q2 25
$9.7M
Q1 25
$-1.2M
Q4 24
$-17.7M
Q3 24
$-6.7M
Q2 24
$21.0M
Q1 24
$-1.9M
FCF Margin
ADP
ADP
NPKI
NPKI
Q4 25
7.6%
Q3 25
17.4%
Q2 25
14.3%
Q1 25
-1.8%
Q4 24
-30.8%
Q3 24
-15.2%
Q2 24
31.4%
Q1 24
-3.9%
Capex Intensity
ADP
ADP
NPKI
NPKI
Q4 25
16.3%
Q3 25
18.5%
Q2 25
17.1%
Q1 25
15.5%
Q4 24
23.6%
Q3 24
21.4%
Q2 24
9.9%
Q1 24
28.3%
Cash Conversion
ADP
ADP
NPKI
NPKI
Q4 25
1.07×
Q3 25
0.63×
4.37×
Q2 25
1.58×
2.47×
Q1 25
1.22×
0.88×
Q4 24
1.19×
Q3 24
0.86×
Q2 24
1.57×
3.43×
Q1 24
1.26×
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

ADP
ADP

HCM$2.2B42%
PEO Zero Margin Benefits Pass Throughs$1.1B21%
HRO$979.3M18%
Global$709.3M13%
Interest On Funds Held For Clients$308.6M6%

NPKI
NPKI

Rental Revenue$34.8M46%
Products$25.5M34%
Services$14.9M20%

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