Which has the lower trailing P/E, IOSP or USLM?

IOSP has the lower trailing P/E: IOSP trades at 20.11 and USLM at 23.48. P/E is one valuation measure and does not by itself establish which business is cheaper.

Which has grown faster, IOSP or USLM?

Over the past five years, USLM grew revenue faster — IOSP at a 7.72% CAGR versus USLM at 16.51%.

Does IOSP or USLM pay a bigger dividend?

IOSP yields 1.83% and USLM yields 0.22% based on trailing dividends and the latest price.

Is IOSP or USLM more profitable?

USLM runs the higher net margin — IOSP at 6.60% versus USLM at 35.66%.

How have IOSP and USLM total returns compared?

Over the past 10 years, IOSP delivered 6.30% and USLM delivered 24.24% annualized total return. Past performance doesn't predict future results.

Innospec Inc. (IOSP) vs United States Lime & Minerals, Inc. (USLM)

A side-by-side comparison of Innospec Inc. and United States Lime & Minerals, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

IOSP

Innospec Inc.

$2.43B

$98.53Basic MaterialsDelayed quote: Oct 6, 2026, 1:50 PM EDT

USLM

United States Lime & Minerals, Inc.

$3.15B

$109.66Basic MaterialsDelayed quote: Oct 6, 2026, 1:50 PM EDT

Total return — IOSP vs USLM

growth of $100 · dividends reinvested · last 10y

IOSP +84.1% (+6.3%/yr)USLM +783.6% (+24.3%/yr)USLM compounded faster over this window

IOSP USLM

IOSP vs USLM: by the numbers

•USLM is the larger company ($3.15B vs $2.43B market cap).
•IOSP trades at the lower trailing earnings multiple (20.11 vs 23.48 P/E), one valuation lens rather than an overall verdict.
•USLM converts more revenue to profit (35.66% vs 6.60% net margin).
•USLM grew revenue faster over the past five years (16.51% vs 7.72% CAGR).
•IOSP pays the higher dividend yield (1.83% vs 0.22%).

Metrics side by side

Valuation

Metric	IOSP	USLM
P/E ratio	20.11	23.48
Forward P/E	19.96	21.76
PEG ratio	0.63	0.65
P/S ratio	1.32	8.35
P/B ratio	1.81	4.52
EV / EBITDA	12.24	14.87
FCF yield	2.67%	2.92%

Profitability

Metric	IOSP	USLM
Gross margin	27.46%	48.46%
Operating margin	8.13%	42.11%
Net margin	6.60%	35.66%
ROE	9.04%	19.32%
ROIC	8.64%	16.98%

Dividends

Metric	IOSP	USLM
Dividend yield	1.83%	0.22%
Payout ratio	36.53%	5.14%

Growth (annualized)

Metric	IOSP	USLM
Revenue CAGR (5Y)	7.72%	16.51%
EPS CAGR (5Y)	32.01%	36.22%
FCF CAGR (5Y)	-8.41%	21.62%
Total return CAGR (5Y)	4.20%	36.71%

Frequently asked

Which has the lower trailing P/E, IOSP or USLM?: IOSP has the lower trailing P/E: IOSP trades at 20.11 and USLM at 23.48. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, IOSP or USLM?: Over the past five years, USLM grew revenue faster — IOSP at a 7.72% CAGR versus USLM at 16.51%.
Does IOSP or USLM pay a bigger dividend?: IOSP yields 1.83% and USLM yields 0.22% based on trailing dividends and the latest price.
Is IOSP or USLM more profitable?: USLM runs the higher net margin — IOSP at 6.60% versus USLM at 35.66%.
How have IOSP and USLM total returns compared?: Over the past 10 years, IOSP delivered 6.30% and USLM delivered 24.24% annualized total return. Past performance doesn't predict future results.

Go deeper

Full IOSP analysis Full USLM analysis Interactive comparison tool

Dig into the metrics

Innospec P/E ratio United States Lime & Minerals P/E ratio Innospec dividend yield United States Lime & Minerals dividend yield Innospec ROE United States Lime & Minerals ROE Innospec operating margin United States Lime & Minerals operating margin Innospec revenue growth United States Lime & Minerals revenue growth Innospec free cash flow United States Lime & Minerals free cash flow

Innospec & United States Lime & Minerals appear in these rankings

Fastest Revenue Growth Stocks Highest Operating Margin Stocks Highest 10-Year Total Return Stocks

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.